CVE-2026-5943

HIGH

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

Title source: cna

Description

Document structural anomalies caused inconsistencies between page element relationships and internal index states. When scripts triggered document modifications, object reference validity was not properly maintained, leading to a crash when accessing an invalid pointer during page information queries.

References (1)

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

Scores

CVSS v3 7.8

EPSS 0.0001

EPSS Percentile 2.2%

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-416

Status published

Products (6)

foxit/pdf_editor < 13.2.4

foxit/pdf_reader < 2026.1.1

Foxit Software Inc./Foxit PDF Editor Versions 13.2.3 and earlier

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