{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-91812", "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2", "state": "PUBLISHED", "assignerShortName": "Foxit", "dateReserved": "2026-09-15T07:34:45.816Z", "datePublished": "2026-09-23T07:49:51.179Z", "dateUpdated": "2026-09-23T14:39:23.574Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "14984358-7092-470d-8f34-ade47a7658a2", "shortName": "Foxit", "dateUpdated": "2026-09-23T07:49:51.179Z" }, "title": "Foxit PDF Editor/Reader FoxitUpdater Improper Certificate Validation Local Privilege Escalation Vulnerability", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-295", "description": "CWE-295 Improper Certificate Validation", "type": "CWE" } ] } ], "impacts": [ { "descriptions": [ { "lang": "en", "value": "Local Privilege Escalation" } ] } ], "affected": [ { "vendor": "Foxit Software Inc.", "product": "Foxit PDF Editor", "platforms": [ "Windows" ], "versions": [ { "status": "affected", "version": "Versions 2026.2 and earlier" }, { "status": "affected", "version": "Versions 14.0.7 and earlier" }, { "status": "affected", "version": "Versions 13.2.6 and earlier" } ], "defaultStatus": "unaffected" }, { "vendor": "Foxit Software Inc.", "product": "Foxit PDF Reader", "platforms": [ "Windows" ], "versions": [ { "status": "affected", "version": "Versions 2026.2 and earlier" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows man-in-the-middle attackers to bypass certificate validation and package integrity checks, potentially enabling arbitrary code execution with system privileges.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows man-in-the-middle attackers to bypass certificate validation and package integrity checks, potentially enabling arbitrary code execution with system privileges." } ] } ], "references": [ { "url": "https://www.foxit.com/support/security-bulletins.html" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.9, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H" } } ], "credits": [ { "lang": "en", "value": "praydog & kmx00 working with TrendAI Zero Day Initiative", "type": "finder" } ], "x_generator": { "engine": "Vulnogram 1.0.5" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-23T14:39:13.903098Z", "id": "CVE-2026-91812", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-23T14:39:23.574Z" } } ] } }