CVE-2026-91818

HIGH CVSS 3.1: 7.8 EPSS 0.17%
Updated Sep 23, 2026
Foxit Software Inc.
Parameter Value
CVSS 7.8 (HIGH)
Type CWE-416 (Use After Free)
Vendor Foxit Software Inc.
Public PoC No

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s JavaScript handling of PDF annotations. Reentrant page-event processing during annotation enumeration may release the associated page object, which is subsequently accessed, resulting in an application crash.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

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

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products

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