1. Home
  2. CVE Database
  3. CVE-2026-91812
HIGH · 7.9

CVE-2026-91812

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 exec...

Vulnerability Description

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.

CVSS Score

7.9

HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
FoxitPdf Editor<= 13.2.5.63482
FoxitPdf Reader<= 2026.2.0.39747
MicrosoftWindows-

Related Weaknesses (CWE)

CWE-295

References

FAQ

What is CVE-2026-91812?

CVE-2026-91812 is a vulnerability with a CVSS score of 7.9 (HIGH). 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 exec...

How severe is CVE-2026-91812?

CVE-2026-91812 has been rated HIGH with a CVSS base score of 7.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-91812?

Check the references section above for vendor advisories and patch information. Affected products include: Foxit Pdf Editor, Foxit Pdf Reader, Microsoft Windows.