{
    "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-2026-81378",
        "tracking": {
            "current_release_date": "2026-09-09T15:18:06.424354Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-81378",
            "initial_release_date": "2026-09-07T10:33:54.691441Z",
            "revision_history": [
                {
                    "date": "2026-09-07T10:33:54.691441Z",
                    "number": "1",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-09-08T18:48:26.063390Z",
                    "number": "2",
                    "summary": "Source connected.| CVE status created. (valid)"
                },
                {
                    "date": "2026-09-08T19:47:30.889479Z",
                    "number": "3",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-09-08T19:47:35.248273Z",
                    "number": "4",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-08T20:05:39.427286Z",
                    "number": "5",
                    "summary": "Source connected.| CVE status created. (valid)| News created (1)."
                },
                {
                    "date": "2026-09-08T20:05:41.200293Z",
                    "number": "6",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-09T01:23:08.605918Z",
                    "number": "7",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-09-09T01:23:10.137224Z",
                    "number": "8",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-09T07:13:04.745529Z",
                    "number": "9",
                    "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Threats created (2).| Product Remediations created (1).| CWES updated (1).| Exploitable created."
                },
                {
                    "date": "2026-09-09T10:32:40.291130Z",
                    "number": "10",
                    "summary": "Source connected.| CVE status created. (valid)| Products connected (18).| References created (27)."
                },
                {
                    "date": "2026-09-09T15:18:03.413298Z",
                    "number": "11",
                    "summary": "EPSS created.| Unknown change."
                },
                {
                    "date": "2026-09-09T15:18:05.230299Z",
                    "number": "12",
                    "summary": "NCSC Score updated."
                }
            ],
            "status": "interim",
            "version": "12"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/10",
                                "product": {
                                    "name": "vers:unknown/10",
                                    "product_id": "CSAFPID-5810232",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net:10.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/11",
                                "product": {
                                    "name": "vers:unknown/11",
                                    "product_id": "CSAFPID-9164980",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net:11.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/8",
                                "product": {
                                    "name": "vers:unknown/8",
                                    "product_id": "CSAFPID-6042657",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net:8.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/9",
                                "product": {
                                    "name": "vers:unknown/9",
                                    "product_id": "CSAFPID-5810233",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net:9.0"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": ".NET"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/3.5",
                                "product": {
                                    "name": "vers:unknown/3.5",
                                    "product_id": "CSAFPID-1373391",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net_framework:3.5"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.6.2",
                                "product": {
                                    "name": "vers:unknown/4.6.2",
                                    "product_id": "CSAFPID-1373392",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net_framework:4.6.2"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.7",
                                "product": {
                                    "name": "vers:unknown/4.7",
                                    "product_id": "CSAFPID-1373384",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net_framework:4.7"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.7.1",
                                "product": {
                                    "name": "vers:unknown/4.7.1",
                                    "product_id": "CSAFPID-1373382",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net_framework:4.7.1"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.7.2",
                                "product": {
                                    "name": "vers:unknown/4.7.2",
                                    "product_id": "CSAFPID-1373383",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net_framework:4.7.2"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.8.1",
                                "product": {
                                    "name": "vers:unknown/4.8.1",
                                    "product_id": "CSAFPID-1373393",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:.net_framework:4.8.1"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": ".NET Framework"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/core 10.0",
                                "product": {
                                    "name": "vers:unknown/core 10.0",
                                    "product_id": "CSAFPID-5793557",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:asp.net:core_10.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/core 11.0",
                                "product": {
                                    "name": "vers:unknown/core 11.0",
                                    "product_id": "CSAFPID-9164981",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:asp.net:core_3.1"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/core 8.0",
                                "product": {
                                    "name": "vers:unknown/core 8.0",
                                    "product_id": "CSAFPID-2470410",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:asp.net:core_8.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/core 9.0",
                                "product": {
                                    "name": "vers:unknown/core 9.0",
                                    "product_id": "CSAFPID-2470409",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:asp.net:core_9.0"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "ASP.NET"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unknown",
                                "product": {
                                    "name": "vers:unknown/unknown",
                                    "product_id": "CSAFPID-1373389",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:microsoft:visual_studio_code:-"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Microsoft Visual Studio Code"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/version 15.9 includes 15.0-15.8",
                                "product": {
                                    "name": "vers:unknown/version 15.9 includes 15.0-15.8",
                                    "product_id": "CSAFPID-1217608"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Visual Studio 2017"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/version 17.14",
                                "product": {
                                    "name": "vers:unknown/version 17.14",
                                    "product_id": "CSAFPID-2966210"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Visual Studio 2022"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/version 18.9",
                                "product": {
                                    "name": "vers:unknown/version 18.9",
                                    "product_id": "CSAFPID-9164979"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Visual Studio 2026"
                    },
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:microsoft/*",
                                        "product": {
                                            "name": "vers:microsoft/*",
                                            "product_id": "CSAFPID-5156554",
                                            "product_identification_helper": {
                                                "cpe": "cpe:2.3:a:microsoft:visual_studio_code:*:*:*:*:*:*:*:*"
                                            }
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "Visual Studio Code"
                            }
                        ],
                        "category": "product_family",
                        "name": "Developer Tools"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/1.0.0|<1.136.2",
                                "product": {
                                    "name": "vers:unknown/1.0.0|<1.136.2",
                                    "product_id": "CSAFPID-9163728"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Visual Studio Code"
                    }
                ],
                "category": "vendor",
                "name": "Microsoft"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-81378",
            "cwe": {
                "id": "CWE-436",
                "name": "Interpretation Conflict"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "Interpretation conflict in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.",
                    "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-81378"
                },
                {
                    "category": "description",
                    "text": "Interpretation conflict in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.",
                    "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-81378"
                },
                {
                    "category": "description",
                    "text": "<p>Interpretation conflict in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.</p>\n",
                    "title": "microsoft - https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Sep"
                },
                {
                    "category": "other",
                    "text": "0.00329",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "5.7",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "VENDOR FIX as product remediation category, There is news data available from source Bleepingcomputer, There is product data available from source Certbundde",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "There is cwe data available from source Nvd",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-9163728",
                    "CSAFPID-5156554",
                    "CSAFPID-1217608",
                    "CSAFPID-1373382",
                    "CSAFPID-1373383",
                    "CSAFPID-1373384",
                    "CSAFPID-1373389",
                    "CSAFPID-1373391",
                    "CSAFPID-1373392",
                    "CSAFPID-1373393",
                    "CSAFPID-2470409",
                    "CSAFPID-2470410",
                    "CSAFPID-2966210",
                    "CSAFPID-5793557",
                    "CSAFPID-5810232",
                    "CSAFPID-5810233",
                    "CSAFPID-6042657",
                    "CSAFPID-9164979",
                    "CSAFPID-9164980",
                    "CSAFPID-9164981"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-81378"
                },
                {
                    "category": "external",
                    "summary": "Source - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-september-2026-patch-tuesday-fixes-966-flaws-2-zero-days/"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0351"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-81378"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-81378"
                },
                {
                    "category": "external",
                    "summary": "Source - microsoft",
                    "url": "https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Sep"
                },
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3242.json"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss"
                },
                {
                    "category": "external",
                    "summary": "News - bleepingcomputer",
                    "url": "https://www.bleepingcomputer.com/news/microsoft/microsoft-september-2026-patch-tuesday-fixes-966-flaws-2-zero-days/"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde; cveprojectv5; nvd",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81378"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-70873"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34182"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57099"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58649"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69304"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69439"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69522"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69805"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69806"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70334"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71328"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77906"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77907"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78461"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78462"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81356"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81357"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81376"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81377"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81379"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81380"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81381"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81383"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3242.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3242"
                }
            ],
            "remediations": [
                {
                    "category": "vendor_fix",
                    "details": "Release Notes",
                    "product_ids": [
                        "CSAFPID-5156554"
                    ],
                    "url": "https://code.visualstudio.com/Download"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C",
                        "baseScore": 8.2,
                        "baseSeverity": "HIGH"
                    },
                    "products": [
                        "CSAFPID-1217608",
                        "CSAFPID-1373382",
                        "CSAFPID-1373383",
                        "CSAFPID-1373384",
                        "CSAFPID-1373389",
                        "CSAFPID-1373391",
                        "CSAFPID-1373392",
                        "CSAFPID-1373393",
                        "CSAFPID-2470409",
                        "CSAFPID-2470410",
                        "CSAFPID-2966210",
                        "CSAFPID-5156554",
                        "CSAFPID-5793557",
                        "CSAFPID-5810232",
                        "CSAFPID-5810233",
                        "CSAFPID-6042657",
                        "CSAFPID-9163728",
                        "CSAFPID-9164979",
                        "CSAFPID-9164980",
                        "CSAFPID-9164981"
                    ]
                }
            ],
            "threats": [
                {
                    "category": "exploit_status",
                    "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely",
                    "product_ids": [
                        "CSAFPID-5156554"
                    ]
                },
                {
                    "category": "impact",
                    "details": "Security Feature Bypass",
                    "product_ids": [
                        "CSAFPID-5156554"
                    ]
                },
                {
                    "category": "exploit_status",
                    "details": "exploited"
                }
            ],
            "title": "CVE-2026-81378"
        }
    ]
}