CVE-2026-91816
📛 CVE Title
Foxit PDF Editor/Reader AcroForm Use-After-Free Remote Code Execution Vulnerability
Description
A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF annotations. Reentrant annotation deletion triggered by embedded JavaScript can cause the application to access an annotation object after it has been released, resulting in a use-after-free condition and application crash.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- Foxit
- CVSS severity
- HIGH
- CVSS score
- 7.8 / 10
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Effective score
- 7.8 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-416 - Reserved
- 2026-09-15
- Published
- 2026-09-23 07:49 UTC
- Last updated
- 2026-09-23 14:23 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/91xxx/CVE-2026-91816.json
- Linked Threat
- CVE-2026-91816 — Foxit PDF Editor/Reader AcroForm Use-After-Free Remote Code Execution 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
- 7.8 / 10 HIGH source: 14984358-7092-470d-8f34-ade47a7658a2
- NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Exploitability subscore
- 1.8 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0017 (probability of exploitation in next 30 days)
- EPSS percentile
- 6.76% 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-2026-85158 - Assigner
- Foxit
- Published
- Sep 23, 2026, 7:49:18 AM
- Updated
- Sep 23, 2026, 2:23:56 PM
- EUVD base score (CVSS 3.1)
-
7.8 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EUVD-reported EPSS
- 0.1700
- Vendors
- Foxit Software Inc.
- Products
-
Foxit PDF Editor (Versions 13.2.6 and earlier)Foxit PDF Editor (Versions 2026.2 and earlier)Foxit PDF Editor (Versions 14.0.7 and earlier)Foxit PDF Reader (Versions 2026.2 and earlier)
- Aliases
-
GHSA-m242-r26h-qcvh
ENISA description: A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF annotations. Reentrant annotation deletion triggered by embedded JavaScript can cause the application to access an annotation object after it has been released, resulting in a use-after-free condition and application crash.
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:helpx.adobe.com
This page contains important information regarding security vulnerabilities that could affect specific versions of Adobe products. Use this information to take the prescribed corrective actions.
2026-09-24 11:09 UTC -
web:kb.netgear.com
NETGEAR's Product Security Team has assessed the following product vulnerabilities and provided guidance to address these vulnerabilities in the table below. Because firmware updates contain security fixes, bug fixes, and new features for your products, we strongly advise you to enable automatic firmware updates on supported devices. For older products, we advise you to download and install ...
2026-09-24 11:09 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-24 11:09 UTC -
web:vulners.com
CVE-2026-91816 🗓️ 23 Sep 2026 00:49:18 Reported by Foxit Type cve 🔗 web.nvd.nist.gov 👁 3 Views
2026-09-24 11:09 UTC -
web:www.crowdstrike.com
Microsoft patches 206 vulnerabilities in June 2026 Patch Tuesday, including three publicly disclosed zero-days.
2026-09-24 11:09 UTC -
web:www.crowdstrike.com
Microsoft's March 2026 Patch Tuesday addresses 82 CVEs , featuring eight Critical vulnerabilities.
2026-09-24 11:09 UTC -
web:www.oracle.com
This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.
2026-09-24 11:09 UTC -
web:www.rapid7.com
CVE-2026-91816 : Foxit Software Inc.: A use-after-free vulnerability exists in Foxit PDF Editor/Reader's handling of PDF annotations. View severity, references, and remediation details from Rapid7.
2026-09-24 11:09 UTC -
web:www.tenable.com
Microsoft patched 569 CVEs in July 2026 , the largest Patch Tuesday release in its history. 56 critical CVEs patched including three zero-day vulnerabilities.
2026-09-24 11:09 UTC -
web:www.tenable.com
A use-after-free vulnerability exists in Foxit PDF Editor/Reader's handling of PDF annotations. Reentrant annotation deletion triggered by embedded JavaScript can cause the application to access an annotation object after it has been released, resulting in a use-after-free condition and application crash.
2026-09-24 11:09 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-91816.json.
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