{
    "document": {
        "category": "csaf_base",
        "csaf_version": "2.0",
        "distribution": {
            "tlp": {
                "label": "WHITE"
            }
        },
        "lang": "en",
        "notes": [
            {
                "category": "legal_disclaimer",
                "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
            }
        ],
        "publisher": {
            "category": "coordinator",
            "contact_details": "cert@ncsc.nl",
            "name": "National Cyber Security Centre",
            "namespace": "https://www.ncsc.nl/"
        },
        "title": "CVE-2025-53786",
        "tracking": {
            "current_release_date": "2026-07-23T18:17:48.866368Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2025-53786",
            "initial_release_date": "2025-08-06T16:26:04.477027Z",
            "revision_history": [
                {
                    "date": "2025-08-06T16:26:04.477027Z",
                    "number": "1",
                    "summary": "CVE created.| Source created.| Description created for source.| CVSS created.| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2025-08-06T16:26:06.189534Z",
                    "number": "2",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2025-08-06T16:38:47.408389Z",
                    "number": "3",
                    "summary": "Source created.| Description created for source.| CVSS created.| Products created (4).| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2025-08-06T16:38:52.117066Z",
                    "number": "4",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-06T18:19:26.046593Z",
                    "number": "5",
                    "summary": "Source connected.| Description created for source.| CVSS created.| Products created (4).| Product Identifiers created (4).| Product Threats created (8).| Product Remediations created (4).| CWES updated (1).| Exploitable created."
                },
                {
                    "date": "2025-08-06T18:19:31.469816Z",
                    "number": "6",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-06T23:17:39.936876Z",
                    "number": "7",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-07T08:04:33.590883Z",
                    "number": "8",
                    "summary": "Source created.| News created (1)."
                },
                {
                    "date": "2025-08-07T08:04:42.892722Z",
                    "number": "9",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-07T08:29:23.427188Z",
                    "number": "10",
                    "summary": "Source created.| News created (1)."
                },
                {
                    "date": "2025-08-07T08:29:27.549510Z",
                    "number": "11",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-07T09:15:32.869216Z",
                    "number": "12",
                    "summary": "Source connected."
                },
                {
                    "date": "2025-08-07T11:05:24.197618Z",
                    "number": "13",
                    "summary": "Source created.| Products created (2).| Product Identifiers created (4).| Products connected (2).| References created (4)."
                },
                {
                    "date": "2025-08-07T11:05:31.558357Z",
                    "number": "14",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-07T11:30:36.058748Z",
                    "number": "15",
                    "summary": "Source created.| News created (1)."
                },
                {
                    "date": "2025-08-07T11:30:40.740687Z",
                    "number": "16",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-07T14:17:53.795111Z",
                    "number": "17",
                    "summary": "Source created.| EPSS created."
                },
                {
                    "date": "2025-08-07T21:04:29.149860Z",
                    "number": "18",
                    "summary": "Source created.| News created (1)."
                },
                {
                    "date": "2025-08-07T21:04:31.542299Z",
                    "number": "19",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-08T07:29:27.503497Z",
                    "number": "20",
                    "summary": "Source created.| News created (1)."
                },
                {
                    "date": "2025-08-08T07:29:31.114543Z",
                    "number": "21",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-08T12:30:36.620952Z",
                    "number": "22",
                    "summary": "Source created.| News created (1)."
                },
                {
                    "date": "2025-08-08T12:30:41.461146Z",
                    "number": "23",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-09T07:29:27.312406Z",
                    "number": "24",
                    "summary": "Source created.| News created (1)."
                },
                {
                    "date": "2025-08-11T10:04:35.603696Z",
                    "number": "25",
                    "summary": "Source created.| News created (1)."
                },
                {
                    "date": "2025-08-12T18:16:36.787683Z",
                    "number": "26",
                    "summary": "Source connected.| News created (1)."
                },
                {
                    "date": "2025-08-13T07:30:00.069829Z",
                    "number": "27",
                    "summary": "Source connected."
                },
                {
                    "date": "2025-08-13T08:05:27.491941Z",
                    "number": "28",
                    "summary": "Source connected.| Products connected (4).| References created (3)."
                },
                {
                    "date": "2025-08-13T20:19:44.724254Z",
                    "number": "29",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-14T00:16:15.804007Z",
                    "number": "30",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-08-14T10:04:33.440841Z",
                    "number": "31",
                    "summary": "Source connected.| News created (1)."
                },
                {
                    "date": "2025-08-14T14:04:26.926348Z",
                    "number": "32",
                    "summary": "Source created.| News created (1)."
                },
                {
                    "date": "2025-08-29T00:19:57.362886Z",
                    "number": "33",
                    "summary": "Product Threats created (4).| Product Threats removed (4)."
                },
                {
                    "date": "2025-10-30T17:08:27.749610Z",
                    "number": "34",
                    "summary": "Source created.| CVE status created. (valid)| News created (1)."
                },
                {
                    "date": "2025-10-30T17:08:31.809561Z",
                    "number": "35",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-10-30T19:39:31.564047Z",
                    "number": "36",
                    "summary": "Products created (2).| Products removed (2)."
                },
                {
                    "date": "2025-10-31T14:00:46.363080Z",
                    "number": "37",
                    "summary": "Products connected (4).| Product Threats created (8).| Product Remediations created (4).| Products removed (4)."
                },
                {
                    "date": "2025-10-31T14:00:54.037613Z",
                    "number": "38",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2025-12-04T00:20:52.532824Z",
                    "number": "39",
                    "summary": "Description removed for source.| Description created for source."
                },
                {
                    "date": "2025-12-04T00:20:54.244619Z",
                    "number": "40",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-01-01T14:16:25.563581Z",
                    "number": "41",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-01-01T14:16:26.645681Z",
                    "number": "42",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-01-02T14:13:00.307261Z",
                    "number": "43",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-01-02T14:13:07.049980Z",
                    "number": "44",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-01-14T03:27:51.298221Z",
                    "number": "45",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-01-15T08:14:39.860743Z",
                    "number": "46",
                    "summary": "Manual regenerated (CSAFs rebuild product/vendor naming update)."
                },
                {
                    "date": "2026-02-13T19:45:57.126668Z",
                    "number": "47",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-02-13T19:46:03.576481Z",
                    "number": "48",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-18T18:38:25.193770Z",
                    "number": "49",
                    "summary": "Products connected (3).| Product Threats created (6).| Product Remediations created (3).| Products removed (3)."
                },
                {
                    "date": "2026-02-18T18:38:36.073153Z",
                    "number": "50",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-27T04:24:45.746574Z",
                    "number": "51",
                    "summary": "Products connected (4).| Product Identifiers created (4)."
                },
                {
                    "date": "2026-02-27T04:24:51.154581Z",
                    "number": "52",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-27T05:18:14.329319Z",
                    "number": "53",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-20T08:15:59.429965Z",
                    "number": "54",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-20T08:16:02.840422Z",
                    "number": "55",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-04-11T03:10:46.963386Z",
                    "number": "56",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-04-22T16:17:43.829418Z",
                    "number": "57",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-04-22T16:17:51.361458Z",
                    "number": "58",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-05-07T14:13:11.081006Z",
                    "number": "59",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-05-07T14:13:13.708748Z",
                    "number": "60",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-02T18:23:28.518497Z",
                    "number": "61",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-06-02T18:23:36.511841Z",
                    "number": "62",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-10T18:50:10.672897Z",
                    "number": "63",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-15T17:38:17.130507Z",
                    "number": "64",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-06-15T17:38:19.167091Z",
                    "number": "65",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-15T19:24:58.827992Z",
                    "number": "66",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (3).| Product Identifiers created (4).| Products created (1).| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-06-15T19:25:01.178501Z",
                    "number": "67",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-19T00:13:37.345066Z",
                    "number": "68",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-06-19T00:13:43.818499Z",
                    "number": "69",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-07-23T15:46:31.887763Z",
                    "number": "70",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-07-23T15:46:33.637211Z",
                    "number": "71",
                    "summary": "NCSC Score updated."
                }
            ],
            "status": "interim",
            "version": "71"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/server subscription edition rtm",
                                "product": {
                                    "name": "vers:unknown/server subscription edition rtm",
                                    "product_id": "CSAFPID-3036019",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:exchange:server"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Exchange"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/cumulative update 23",
                                "product": {
                                    "name": "vers:unknown/cumulative update 23",
                                    "product_id": "CSAFPID-1304139",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:exchange_server_2016:cumulative_update_23"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Exchange Server 2016"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/cumulative update 14",
                                "product": {
                                    "name": "vers:unknown/cumulative update 14",
                                    "product_id": "CSAFPID-1304140",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:exchange_server_2019:cumulative_update_14"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/cumulative update 15",
                                "product": {
                                    "name": "vers:unknown/cumulative update 15",
                                    "product_id": "CSAFPID-3036018",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:exchange_server_2019:cumulative_update_15"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Exchange Server 2019"
                    },
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:microsoft/*",
                                        "product": {
                                            "name": "vers:microsoft/*",
                                            "product_id": "CSAFPID-5241964",
                                            "product_identification_helper": {
                                                "cpe": "cpe:2.3:a:microsoft:exchange_server_2016:*:cumulative_update_23:*:*:*:*:*:*"
                                            }
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "Microsoft Exchange Server 2016 Cumulative Update 23"
                            },
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:microsoft/*",
                                        "product": {
                                            "name": "vers:microsoft/*",
                                            "product_id": "CSAFPID-5241966",
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                                                "cpe": "cpe:2.3:a:microsoft:exchange_server_2019:*:cumulative_update_14:*:*:*:*:*:*"
                                            }
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "Microsoft Exchange Server 2019 Cumulative Update 14"
                            },
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:microsoft/*",
                                        "product": {
                                            "name": "vers:microsoft/*",
                                            "product_id": "CSAFPID-5241965",
                                            "product_identification_helper": {
                                                "cpe": "cpe:2.3:a:microsoft:exchange_server_2019:*:cumulative_update_15:*:*:*:*:*:*"
                                            }
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "Microsoft Exchange Server 2019 Cumulative Update 15"
                            }
                        ],
                        "category": "product_family",
                        "name": "ESU"
                    },
                    {
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                            {
                                "category": "product_version_range",
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                                "product": {
                                    "name": "vers:unknown/15.01.0.0|<15.01.2507.055",
                                    "product_id": "CSAFPID-5156834"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Microsoft Exchange Server 2016 Cumulative Update 23"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/15.02.0.0|<15.02.1544.025",
                                "product": {
                                    "name": "vers:unknown/15.02.0.0|<15.02.1544.025",
                                    "product_id": "CSAFPID-3034835"
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                            }
                        ],
                        "category": "product_name",
                        "name": "Microsoft Exchange Server 2019 Cumulative Update 14"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
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                                "product": {
                                    "name": "vers:unknown/15.02.0.0|<15.02.1748.024",
                                    "product_id": "CSAFPID-5156833"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Microsoft Exchange Server 2019 Cumulative Update 15"
                    },
                    {
                        "branches": [
                            {
                                "branches": [
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                                        "category": "product_version_range",
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                                            "product_identification_helper": {
                                                "cpe": "cpe:2.3:a:microsoft:exchange_server_se:*:RTM:*:*:*:*:*:*"
                                            }
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "Microsoft Exchange Server Subscription Edition RTM"
                            }
                        ],
                        "category": "product_family",
                        "name": "Server Software"
                    },
                    {
                        "branches": [
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                                "category": "product_version_range",
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                                "product": {
                                    "name": "vers:unknown/15.02.0.0|<15.02.2562.017",
                                    "product_id": "CSAFPID-3034832"
                                }
                            }
                        ],
                        "category": "product_name",
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                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
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                                    "product_id": "CSAFPID-5597016",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/2019-cumulative_update_14",
                                "product": {
                                    "name": "vers:unknown/2019-cumulative_update_14",
                                    "product_id": "CSAFPID-5498631",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_14:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/2019-cumulative_update_15",
                                "product": {
                                    "name": "vers:unknown/2019-cumulative_update_15",
                                    "product_id": "CSAFPID-5597017",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_15:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-1997559",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:microsoft:exchange_server:-:*:*:*:subscription:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "exchange_server"
                    }
                ],
                "category": "vendor",
                "name": "Microsoft"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<15.02.2562.017",
                                "product": {
                                    "name": "vers:unknown/<15.02.2562.017",
                                    "product_id": "CSAFPID-8464993",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:microsoft:exchange_server_subscription_edition:*:*:*:*:*:*:*:*"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "exchange_server_subscription_edition"
                    }
                ],
                "category": "vendor",
                "name": "microsoft"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2025-53786",
            "notes": [
                {
                    "category": "description",
                    "text": "On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment.",
                    "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2025-53786"
                },
                {
                    "category": "description",
                    "text": "On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment.",
                    "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2025-53786"
                },
                {
                    "category": "description",
                    "text": "<p>On April 18th 2025, Microsoft announced <a href=\"https://techcommunity.microsoft.com/blog/exchange/exchange-server-security-changes-for-hybrid-deployments/4396833\">Exchange Server Security Changes for Hybrid Deployments</a> and accompanying non-security <a href=\"https://techcommunity.microsoft.com/blog/exchange/released-april-2025-exchange-server-hotfix-updates/4402471\">Hot Fix</a>. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment.</p>\n",
                    "title": "microsoft - https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2025-Aug"
                },
                {
                    "category": "description",
                    "text": "On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment.",
                    "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-53786"
                },
                {
                    "category": "other",
                    "text": "0.07448",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "7.5",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "There is product data available from a private source, VENDOR FIX as product remediation category, There is cvss data available from a private source, There is product data available from source Certbundde, There is news data available from source Bleepingcomputer",
                    "title": "NCSC Score top increasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-3034832",
                    "CSAFPID-3034835",
                    "CSAFPID-1304139",
                    "CSAFPID-1304140",
                    "CSAFPID-3036018",
                    "CSAFPID-3036019",
                    "CSAFPID-5156833",
                    "CSAFPID-5156834",
                    "CSAFPID-5137196",
                    "CSAFPID-5241964",
                    "CSAFPID-5241965",
                    "CSAFPID-5241966",
                    "CSAFPID-1997559",
                    "CSAFPID-5498631",
                    "CSAFPID-5597016",
                    "CSAFPID-5597017",
                    "CSAFPID-8464993"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-53786"
                },
                {
                    "category": "external",
                    "summary": "Source raw - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-53786"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2025-53786"
                },
                {
                    "category": "external",
                    "summary": "Source raw - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/53xxx/CVE-2025-53786.json"
                },
                {
                    "category": "external",
                    "summary": "Source - microsoft",
                    "url": "https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2025-Aug"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-warns-of-high-severity-flaw-in-hybrid-exchange-deployments/"
                },
                {
                    "category": "external",
                    "summary": "Source - securitynl",
                    "url": "https://www.security.nl/posting/899804/Microsoft+komt+met+noodpatch+voor+beveiligingslek+in+Exchange+Server?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2025-0243"
                },
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1742.json"
                },
                {
                    "category": "external",
                    "summary": "Source - securityweek",
                    "url": "https://www.securityweek.com/organizations-warned-of-vulnerability-in-microsoft-exchange-hybrid-deployment/"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-53786"
                },
                {
                    "category": "external",
                    "summary": "Source raw - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/cisa-orders-fed-agencies-to-patch-new-cve-2025-53786-exchange-flaw/"
                },
                {
                    "category": "external",
                    "summary": "Source - securitynl",
                    "url": "https://www.security.nl/posting/899950/Amerikaanse+overheid+opgedragen+Exchange-lek+voor+maandag+te+patchen?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "Source - securityweek",
                    "url": "https://www.securityweek.com/in-other-news-nvidia-says-no-to-backdoors-satellite-hacking-energy-sector-assessment/"
                },
                {
                    "category": "external",
                    "summary": "Source - securitynl",
                    "url": "https://www.security.nl/posting/900041/%2728_000+Microsoft+Exchange-servers+missen+belangrijke+noodpatch%27?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/over-29-000-exchange-servers-unpatched-against-high-severity-flaw/"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-august-2025-patch-tuesday-fixes-one-zero-day-107-flaws/"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2025-0252"
                },
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1781.json"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/cisa-warns-of-n-able-n-central-flaws-exploited-in-zero-day-attacks/"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/canadas-house-of-commons-investigating-data-breach-after-cyberattack/"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/cisa-and-nsa-share-tips-on-securing-microsoft-exchange-servers/"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscinternal",
                    "url": "https://www.ncsc.nl/internal/CVE-2025-53786"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=20000"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=30000"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-53786"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=40000"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=50000"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-warns-of-high-severity-flaw-in-hybrid-exchange-deployments/"
                },
                {
                    "category": "external",
                    "summary": "News - securitynl",
                    "url": "https://www.security.nl/posting/899804/Microsoft+komt+met+noodpatch+voor+beveiligingslek+in+Exchange+Server?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "News - securityweek",
                    "url": "https://www.securityweek.com/organizations-warned-of-vulnerability-in-microsoft-exchange-hybrid-deployment/"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/cisa-orders-fed-agencies-to-patch-new-cve-2025-53786-exchange-flaw/"
                },
                {
                    "category": "external",
                    "summary": "News - securitynl",
                    "url": "https://www.security.nl/posting/899950/Amerikaanse+overheid+opgedragen+Exchange-lek+voor+maandag+te+patchen?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "News - securityweek",
                    "url": "https://www.securityweek.com/in-other-news-nvidia-says-no-to-backdoors-satellite-hacking-energy-sector-assessment/"
                },
                {
                    "category": "external",
                    "summary": "News - securitynl",
                    "url": "https://www.security.nl/posting/900041/%2728_000+Microsoft+Exchange-servers+missen+belangrijke+noodpatch%27?channel=rss"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/over-29-000-exchange-servers-unpatched-against-high-severity-flaw/"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-august-2025-patch-tuesday-fixes-one-zero-day-107-flaws/"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/cisa-warns-of-n-able-n-central-flaws-exploited-in-zero-day-attacks/"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/canadas-house-of-commons-investigating-data-breach-after-cyberattack/"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/security/cisa-and-nsa-share-tips-on-securing-microsoft-exchange-servers/"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde; cveprojectv5; nvd",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53786"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1742.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1742"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1781.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-1781"
                }
            ],
            "remediations": [
                {
                    "category": "vendor_fix",
                    "details": "5047155",
                    "product_ids": [
                        "CSAFPID-5137196"
                    ],
                    "url": "https://www.microsoft.com/download/details.aspx?id=108244"
                },
                {
                    "category": "vendor_fix",
                    "details": "5050674",
                    "product_ids": [
                        "CSAFPID-5241964"
                    ],
                    "url": "https://www.microsoft.com/en-us/download/details.aspx?id=108147"
                },
                {
                    "category": "vendor_fix",
                    "details": "5050672",
                    "product_ids": [
                        "CSAFPID-5241965"
                    ],
                    "url": "https://www.microsoft.com/en-us/download/details.aspx?id=108144"
                },
                {
                    "category": "vendor_fix",
                    "details": "5050673",
                    "product_ids": [
                        "CSAFPID-5241966"
                    ],
                    "url": "https://www.microsoft.com/en-us/download/details.aspx?id=108146"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C",
                        "baseScore": 8.0,
                        "baseSeverity": "HIGH"
                    },
                    "products": [
                        "CSAFPID-1304139",
                        "CSAFPID-1304140",
                        "CSAFPID-1997559",
                        "CSAFPID-3034832",
                        "CSAFPID-3034835",
                        "CSAFPID-3036018",
                        "CSAFPID-3036019",
                        "CSAFPID-5137196",
                        "CSAFPID-5156833",
                        "CSAFPID-5156834",
                        "CSAFPID-5241964",
                        "CSAFPID-5241965",
                        "CSAFPID-5241966",
                        "CSAFPID-5498631",
                        "CSAFPID-5597016",
                        "CSAFPID-5597017",
                        "CSAFPID-8464993"
                    ]
                }
            ],
            "threats": [
                {
                    "category": "exploit_status",
                    "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation More Likely",
                    "product_ids": [
                        "CSAFPID-5137196",
                        "CSAFPID-5241964",
                        "CSAFPID-5241965",
                        "CSAFPID-5241966"
                    ]
                },
                {
                    "category": "impact",
                    "details": "Elevation of Privilege",
                    "product_ids": [
                        "CSAFPID-5137196",
                        "CSAFPID-5241964",
                        "CSAFPID-5241965",
                        "CSAFPID-5241966"
                    ]
                },
                {
                    "category": "exploit_status",
                    "details": "exploited"
                }
            ],
            "title": "CVE-2025-53786"
        }
    ]
}