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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.foxit.com/support/security-bulletins.html Vendor Advisory
Vendor advisories in the News 1
- ZDI-26-741: Foxit PDF Reader FoxitUpdater Improper Certificate Validation Local Privilege Escalation Vulnerability Zero Day Initiative: published advisories · 2026-09-23
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.1 · foxitNVD modified 2026-10-08 14:02
Affected (CPE criteria) 2
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*
References 1
- https://www.foxit.com/support/security-bulletins.html Vendor Advisory