CVE-2026-91813

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 attackers to execute arbitrary code with elevated privileges.

  • Published Sep 23, 2026
  • CVSS 8.8 high
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

In the news

CVE-2026-91813 at the National Vulnerability Database