CVE-2026-91813
📛 CVE Title
Foxit PDF Editor/Reader FoxitUpdater Race Condition Local Privilege Escalation Vulnerability
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- Foxit
- CVSS severity
- HIGH
- CVSS score
- 8.8 / 10
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H- Effective score
- 8.8 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-367 - Reserved
- 2026-09-15
- Published
- 2026-09-23 07:49 UTC
- Last updated
- 2026-09-23 14:39 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/91xxx/CVE-2026-91813.json
- Linked Threat
- CVE-2026-91813 — Foxit PDF Editor/Reader FoxitUpdater Race Condition Local Privilege Escalation Vulnerability
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-09-23 08:17:13 UTC
- NVD last modified
- 2026-09-23 17:58:26 UTC
- NVD CVSS v3.1
- 8.8 / 10 HIGH source: 14984358-7092-470d-8f34-ade47a7658a2
- NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H- Exploitability subscore
- 2.0 / 10
- Impact subscore
- 6.0 / 10
- EPSS score
- 0.0013 (probability of exploitation in next 30 days)
- EPSS percentile
- 2.95% vs all CVEs — higher = more likely to be exploited, as of 2026-09-23
NVD / KEV / EPSS data refreshed 2026-09-24 04:30 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-85161 - Assigner
- Foxit
- Published
- Sep 23, 2026, 7:49:37 AM
- Updated
- Sep 23, 2026, 2:39:02 PM
- EUVD base score (CVSS 3.1)
-
8.8 / 10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - EUVD-reported EPSS
- 0.1300
- Vendors
- Foxit Software Inc.
- Products
-
Foxit PDF Editor (Versions 14.0.7 and earlier)Foxit PDF Editor (Versions 2026.2 and earlier)Foxit PDF Editor (Versions 13.2.6 and earlier)Foxit PDF Reader (Versions 2026.2 and earlier)
- Aliases
-
GHSA-597r-vgr7-9622
ENISA 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.
EUVD references (1)
Affected products (2)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor |
Versions 2026.2 and earlier (affected),
Versions 14.0.7 and earlier (affected),
Versions 13.2.6 and earlier (affected)
|
Windows |
| Foxit Software Inc. | Foxit PDF Reader |
Versions 2026.2 and earlier (affected)
|
Windows |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://www.foxit.com/support/security-bulletins.html 14984358-7092-470d-8f34-ade47a7658a2
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:app.opencve.io
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.
2026-09-24 11:10 UTC -
web:basefortify.eu
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.
2026-09-24 11:10 UTC -
web:cvefeed.io
The following list is the news that have been mention CVE-2026-91813 vulnerability anywhere in the article. Results are limited to the first 20 news articles due to potential performance issues. The following table lists the changes that have been made to the CVE-2026-91813 vulnerability over time.
2026-09-24 11:10 UTC -
web:cvetodo.com
CVE-2026-91813 is a CVSS 8.8 high-severity vulnerability in Foxit Software Inc. products. Includes technical details, affected versions, and mitigation steps.
2026-09-24 11:10 UTC -
web:itknowledgebases.com
A CVE (Common Vulnerabilities and Exposures) advisory is a public disclosure of a security vulnerability assigned a unique identifier by MITRE. Advisories include severity scores (CVSS), affected versions, and remediation guidance. Monitoring CVE advisories is a core function of vulnerability management programs and SOC operations.
2026-09-24 11:10 UTC -
web:tridentstack.com
Common questions How do I fix CVE-2026-91813 ? No published fix for CVE-2026-91813 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
2026-09-24 11:10 UTC -
web:vulners.com
CVE-2026-91813 🗓️ 23 Sep 2026 00:49:37 Reported by Foxit Type cve 🔗 web.nvd.nist.gov 👁 7 Views
2026-09-24 11:10 UTC -
web:www.rapid7.com
CVE-2026-91813 : Foxit Software Inc.: A vulnerability in Foxit PDF Editor/Reader's update mechanism allows an update package to be replaced between download…. View severity, references, and remediation details from Rapid7.
2026-09-24 11:10 UTC -
web:www.strix.ai
How severe is CVE-2026-91813 ? CVE-2026-91813 has a CVSS score of 8.8/10 (HIGH severity). How do I fix CVE-2026-91813 ? Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
2026-09-24 11:10 UTC -
web:www.tenable.com
Addressed potential issues where the application could be exposed to an Incorrect Permission Assignment for Critical Resource, Improper Certificate Validation, or Time-of-Check Time-of-Use (TOCTOU) Race Condition vulnerability during update, which attackers could exploit to execute arbitrary code with elevated privileges. This occurs due to an insecure permission configuration in the update ...
2026-09-24 11:10 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-91813.json.
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