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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Thu, 24 Sep 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Foxitsoftware
Foxitsoftware foxit Pdf Editor
Foxitsoftware foxit Reader
Vendors & Products Foxitsoftware
Foxitsoftware foxit Pdf Editor
Foxitsoftware foxit Reader

Wed, 23 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 23 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title Foxit PDF Editor/Reader FoxitUpdater Race Condition Local Privilege Escalation Vulnerability
Weaknesses CWE-367
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Foxit

Published:

Updated: 2026-09-23T14:39:02.442Z

Reserved: 2026-09-15T07:34:45.816Z

Link: CVE-2026-91813

cve-icon Vulnrichment

Updated: 2026-09-23T14:37:28.575Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-23T08:17:13.550

Modified: 2026-09-23T17:58:26.570

Link: CVE-2026-91813

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-24T09:14:27Z

Weaknesses