CVE-2026-91800: Foxit Software Inc Foxit PDF Editor

High severity, CVSS 8.8. EPSS: 0.1% chance of exploitation in the next 30 days.

A local privilege escalation vulnerability exists in the installer of Foxit PDF Editor for macOS due to insufficient validation of a user-modifiable configuration value during high-privilege upgrades. A local attacker could exploit this issue to execute arbitrary commands with root privileges.

Affected products

• Foxit Software Inc Foxit PDF Editor: up to and including 2026.2; up to and including 14.0.7

Published 2026-09-23. Last modified 2026-09-23.