CVE-2026-91813Foxit PDF Editor/Reader FoxitUpdater Race Condition Local Privilege Escalation Vulnerability
Updated under an hour ago ()
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It affects Foxit Software Inc. Foxit PDF Editor and 3 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-367
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Foxit
- NVD analysis
- Analyzed
- Record last updated
- Sep 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Foxit Software Inc. Foxit PDF Editor foxit_software:foxit_pdf_editor (from the name) | Versions 2026.2 and earlier; Versions 14.0.7 and earlier; Versions 13.2.6 and earlier | CNA record |
Foxit Software Inc. Foxit PDF Reader foxit_software:foxit_pdf_reader (from the name) | Versions 2026.2 and earlier | CNA record |
foxit pdf_editor foxit:pdf_editor | through 13.2.5.63482; from 14.0.0.33046 through 14.0.7.33751; from 2023.1.0.15510 through 2023.3.0.23028; from 2024.1.0.23997 through 2024.4.1.27687; from 2025.1.0.27937 through 2025.3.0.35737; from 2026.1.0.36452 through 2026.2.0.39747 | NVD |
foxit pdf_reader foxit:pdf_reader | through 2026.2.0.39747 | NVD |
References
- https://www.foxit.com/support/security-bulletins.htmlvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.