CVE-2026-91813 — Foxit PDF Editor/Reader FoxitUpdater Race Condition Local Privilege Escalation Vulnerability

CVE-2026-91813

Foxit PDF Editor/Reader FoxitUpdater Race Condition Local Privilege Escalation Vulnerability PUBLISHED

Description (CNA)

A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation. This could enable local attackers to execute arbitrary code with elevated privileges.

Affected (CNA)

Vendor / product	Versions
Foxit Software Inc. / Foxit PDF Editor	affected Versions 2026.2 and earlier; affected Versions 14.0.7 and earlier; affected Versions 13.2.6 and earlier
Foxit Software Inc. / Foxit PDF Reader	affected Versions 2026.2 and earlier

CWE

CWE-367

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.