CVE-2025-66493

Foxit PDF Reader AcroForm Use-After-Free Remote Code Execution Vulnerability

State: Published
Severity: 7.8 High
Published: Dec 19, 2025
Updated: Dec 19, 2025
Reserved: Dec 3, 2025

Description

A use-after-free vulnerability exists in the AcroForm handling of Foxit PDF Reader and Foxit PDF Editor before 2025.2.1,14.0.1 and 13.2.1

on Windows

. 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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	Foxit

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Foxit PDF EditorFoxit Software Inc.	Versions 2025.2.1 and earlierAffected Versions 14.0.1 and earlierAffected Versions 13.2.1 and earlierAffected
Foxit PDF ReaderFoxit Software Inc.	Versions 2025.2.1 and earlierAffected Versions 14.0.1 and earlierAffected Versions 13.2.1 and earlierAffected

References

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

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