Local Privilege Escalation in Foxit PDF Editor for macOS
CVE-2026-91800

8.8HIGH

Key Information:

Vendor

Foxit Inc.

Status
Foxit PDF Editor
Vendor
CVE Published:
23 September 2026

What is CVE-2026-91800?

A local privilege escalation vulnerability has been identified in the installer of Foxit PDF Editor for macOS. This issue arises from inadequate validation of a user-modifiable configuration value during high-privilege upgrades. An attacker with local access could exploit this flaw to execute arbitrary commands with elevated root privileges, potentially compromising system integrity and security.

Affected Version(s)

Foxit PDF Editor MacOS Versions 2026.2 and earlier

Foxit PDF Editor MacOS Versions 14.0.7 and earlier

References

https://www.foxit.com/support/security-bulletins.html

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kun Peeks (@SwayZGl1tZyyy)
.