CVE-2026-91795

Description

Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and write access violations and potentially enabling arbitrary code execution.

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-822
Reserved: 2026-09-15
Published: 2026-09-23 07:51 UTC
Last updated: 2026-09-23 14:46 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/91xxx/CVE-2026-91795.json
Linked Threat: CVE-2026-91795 — Foxit PDF Editor/Reader FileOpen Uninitialized Variable 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 08:17:11 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: 0.0012 (probability of exploitation in next 30 days)
EPSS percentile: 2.05% vs all CVEs — higher = more likely to be exploited, as of 2026-09-23

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-2026-85127
Assigner: Foxit
Published: Sep 23, 2026, 7:51:06 AM
Updated: Sep 23, 2026, 2:46:49 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: 0.1200
Vendors: Foxit Software Inc.
Products: Foxit PDF Editor (Versions 14.0.7 and earlier)

Foxit PDF Reader (Versions 2026.2 and earlier)

Foxit PDF Editor (Versions 13.2.6 and earlier)

Foxit PDF Editor (Versions 2026.2 and earlier)
Aliases: GHSA-pmw8-7x25-6jmx

ENISA description: Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and write access violations and potentially enabling arbitrary code execution.

EUVD references (1)

https://www.foxit.com/support/security-bulletins.html

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.

https://www.foxit.com/support/security-bulletins.html

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.

CVE-2026-91795 Foxit — Exploit & Vulnerability Details HIGH | AnonHaven

web:anonhaven.com

CVE Details CVE ID CVE-2026-91795 Published Date Sep 23, 2026 Vendor Foxit Severity HIGH CVSS v3.1 Score 7.8

2026-09-24 11:10 UTC
CVE-2026-91795 | Foxit PDF Editor Read Access Violation via Encryption ...

web:basefortify.eu

Vulnerability report for CVE-2026-91795 , including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

2026-09-24 11:10 UTC
CVE-2026-91795 - Foxit PDF Editor/Reader FileOpen Uninitialized ...

web:cvefeed.io

The following list is the news that have been mention CVE-2026-91795 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-2026-91795 vulnerability over time.

2026-09-24 11:10 UTC
Foxit PDF Editor/Reader's FileOpen plugin did not...

web:github.com

Description Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and write access violations and potentially enabling arbitrary code execution.

2026-09-24 11:10 UTC
Security Update Guide - Microsoft Security Response Center

web:msrc.microsoft.com

Access Microsoft Security Response Center's guide to address vulnerabilities, manage security risks, and keep your systems protected with the latest updates.

2026-09-24 11:10 UTC
Security Update Guide - Microsoft Security Response Center

web:msrc.microsoft.com

Security Update Guide - Microsoft Security Response Center

2026-09-24 11:10 UTC
Microsoft Patch Tracker (September 2026): Exploit-Ranked | Senserva

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 11:10 UTC
CVE-2026-91795 - vulnerability database | Vulners.com

web:vulners.com

CVE-2026-91795 🗓️ 23 Sep 2026 00:51:06 Reported by Foxit Type cve 🔗 web.nvd.nist.gov 👁 8 Views

2026-09-24 11:10 UTC
CVE-2026-91795 - CVE-2026-91795 - Foxit PDF Editor/Reader's FileOpen ...

web:www.enigma-global.com

CVE-2026-91795 - CVE-2026-91795 - Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files.

2026-09-24 11:10 UTC
CVE-2026-91795: Foxit Software Inc.: Foxit PDF Editor/Reader's ... - Rapid7

web:www.rapid7.com

CVE-2026-91795 : Foxit Software Inc.: Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted…. View severity, references, and remediation details from Rapid7.

2026-09-24 11:10 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-91795.json.

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