{"id":"CVE-2026-91813","title":"A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation","summary":"A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation. This could enable local attac…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-367"],"vendor":"Foxit Software Inc.","product":"Foxit PDF Editor","affected":["foxit_pdf_editor Versions 2026.2 and earlier","foxit_pdf_editor Versions 14.0.7 and earlier","foxit_pdf_editor Versions 13.2.6 and earlier","foxit_pdf_reader Versions 2026.2 and earlier"],"published":"2026-09-23","updated":"2026-09-23","sourceUpdated":"2026-09-23T17:58:26.570","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-91813","references":[{"url":"https://www.foxit.com/support/security-bulletins.html","label":"14984358-7092-470d-8f34-ade47a7658a2"}],"tags":["nvd","cve.org"],"epss":0.00129,"epssPercentile":0.0295,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-23T14:37:19.640678Z"},"ingestedAt":"2026-09-23T08:20:37.595Z","slug":"CVE-2026-91813","body":"## Overview\n\nA vulnerability in Foxit PDF Editor/Reader’s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation. This could enable local attackers to execute arbitrary code with elevated privileges.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}