CVE-2026-5941

HIGH

Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability

Title source: cna

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.

References (1)

Core 1

Core References

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

Scores

CVSS v3 7.8

EPSS 0.0017

EPSS Percentile 6.5%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-20

Status published

Products (5)

foxit/pdf_editor 14.0.0 - 14.0.4

foxit/pdf_reader < 2026.1.1

Foxit Software Inc./Foxit PDF Editor Versions 14.0.3 and earlier

Foxit Software Inc./Foxit PDF Editor Versions 2026.1 and earlier

Foxit Software Inc./Foxit PDF Reader Versions 2026.1 and earlier

Published Apr 27, 2026

Tracked Since Apr 27, 2026