{
    "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-2026-3780",
        "tracking": {
            "current_release_date": "2026-04-02T02:39:45.136750Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-3780",
            "initial_release_date": "2026-01-13T06:39:43.204808Z",
            "revision_history": [
                {
                    "date": "2026-01-13T06:39:43.204808Z",
                    "number": "1",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-03-31T12:06:00.575525Z",
                    "number": "2",
                    "summary": "Source connected.| CVE status created. (valid)| Products connected (2).| References created (3)."
                },
                {
                    "date": "2026-03-31T12:06:02.588897Z",
                    "number": "3",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-04-01T02:25:26.520756Z",
                    "number": "4",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-04-01T02:25:28.278190Z",
                    "number": "5",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-04-01T02:38:48.831592Z",
                    "number": "6",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (3).| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-04-01T02:38:51.077245Z",
                    "number": "7",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-04-01T13:28:49.531758Z",
                    "number": "8",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-04-01T15:05:23.878282Z",
                    "number": "9",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-04-02T02:38:56.021769Z",
                    "number": "10",
                    "summary": "Unknown change."
                }
            ],
            "status": "interim",
            "version": "10"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/versions14.0.2andearlier",
                                "product": {
                                    "name": "vers:unknown/versions14.0.2andearlier",
                                    "product_id": "CSAFPID-5969916"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/versions2025.3andearlier",
                                "product": {
                                    "name": "vers:unknown/versions2025.3andearlier",
                                    "product_id": "CSAFPID-5969915"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Foxit PDF Editor"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/versions2025.3andearlier",
                                "product": {
                                    "name": "vers:unknown/versions2025.3andearlier",
                                    "product_id": "CSAFPID-5969918"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Foxit PDF Reader"
                    }
                ],
                "category": "vendor",
                "name": "Foxit Software Inc."
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<2026.1",
                                "product": {
                                    "name": "vers:unknown/<2026.1",
                                    "product_id": "CSAFPID-5968321"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "PDF Editor"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<2026.1",
                                "product": {
                                    "name": "vers:unknown/<2026.1",
                                    "product_id": "CSAFPID-5968322"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "PDF Reader"
                    }
                ],
                "category": "vendor",
                "name": "Foxit"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-3780",
            "cwe": {
                "id": "CWE-426",
                "name": "Untrusted Search Path"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "The application's installer runs with elevated privileges but resolves system executables and DLLs using untrusted search paths that can include user-writable directories, allowing a local attacker to place malicious binaries with the same names and have them loaded or executed instead of the legitimate system files, resulting in local privilege escalation.",
                    "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-3780"
                },
                {
                    "category": "description",
                    "text": "The application's installer runs with elevated privileges but resolves system executables and DLLs using untrusted search paths that can include user-writable directories, allowing a local attacker to place malicious binaries with the same names and have them loaded or executed instead of the legitimate system files, resulting in local privilege escalation.",
                    "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/3xxx/CVE-2026-3780.json"
                },
                {
                    "category": "other",
                    "text": "0.00012",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "5.0",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "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, The value of the most recent CVSS (V3) score",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-5968321",
                    "CSAFPID-5968322",
                    "CSAFPID-5969915",
                    "CSAFPID-5969916",
                    "CSAFPID-5969918"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0934.json"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-3780"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/3xxx/CVE-2026-3780.json"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0934.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0934"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde; cveprojectv5; nvd",
                    "url": "https://www.foxit.com/support/security-bulletins.html"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
                        "baseScore": 7.3,
                        "baseSeverity": "HIGH"
                    },
                    "products": [
                        "CSAFPID-5968321",
                        "CSAFPID-5968322",
                        "CSAFPID-5969915",
                        "CSAFPID-5969916",
                        "CSAFPID-5969918"
                    ]
                }
            ],
            "title": "CVE-2026-3780"
        }
    ]
}