CVE-2026-91800 HIGH

CVE-2026-91800: Foxit PDF Editor installer local privilege escalation

Vendor Foxit Software Inc.
Product Foxit PDF Editor
Weakness CWE-732
Published September 23, 2026
Last update September 23, 2026

CVSS base score

8.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 23, 2026 CVE published