CVE-2026-5941

Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability

State: Published
Severity: 7.8 High
Published: Apr 27, 2026
Updated: Apr 28, 2026
Reserved: Apr 9, 2026

Description

Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form field hierarchies, leading to invalid memory writes and program crashes during internal data structure construction.

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-20 Improper input validation

Affected Products

Product	Versions
Foxit PDF EditorFoxit Software Inc.	Versions 2026.1 and earlierAffected Versions 14.0.3 and earlierAffected
Foxit PDF ReaderFoxit Software Inc.	Versions 2026.1 and earlierAffected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.