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VULNERABILITIES

CVE-2026-91813 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: FoxitCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.foxit.com/support/security-bulletins.html Foxit

Weakness Enumeration

CWE-IDCWE NameSource
CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionFoxit

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-91813
NVD Published Date:
Sep 23, 2026
NVD Last Modified:
Sep 23, 2026
Source:
Foxit
CVE-2026-91813 Details - Not Deferred