CVE-2025-66495 HIGH

CVE-2025-66495: Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability

Vendor Foxit Software Inc.
Product Foxit PDF Reader
Weakness CWE-416
Published December 19, 2025
Last update December 19, 2025

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A use-after-free vulnerability exists in the annotation handling of Foxit PDF Reader before 2025.2.1, 14.0.1, and 13.2.1 on Windows and MacOS. When opening a PDF containing specially crafted JavaScript, a pointer to memory that has already been freed may be accessed or dereferenced, potentially allowing a remote attacker to execute arbitrary code.

Key dates

02Disclosure timeline

December 19, 2025 CVE published
December 19, 2025 Record updated