CVE-2026-91803

HIGH CVSS 3.1: 8.8 EPSS 0.17%
Updated Sep 23, 2026
Foxit Software Inc.
Parameter Value
CVSS 8.8 (HIGH)
Type CWE-427 (Uncontrolled Search Path Element)
Vendor Foxit Software Inc.
Public PoC No

A local privilege escalation vulnerability exists in the updater of Foxit PDF Editor/Reader due to unsafe loading of dynamic-link libraries from a user-writable directory during high-privilege operations. A local attacker could exploit this issue to execute code with elevated privileges.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

foxit software inc.:foxit pdf reader foxit software inc.:foxit pdf editor