CVE-2026-91798
📛 CVE Title
Foxit PDF Editor/Reader Updater Privilege Escalation
Description
A local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure permission configuration that allows the configuration file to be modified by regular users, which may lead to arbitrary script execution with higher 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-732 - Reserved
- 2026-09-15
- Published
- 2026-09-23 07:50 UTC
- Last updated
- 2026-09-23 14:40 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/91xxx/CVE-2026-91798.json
- Linked Threat
- CVE-2026-91798 — Foxit PDF Editor/Reader Updater Privilege Escalation
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
- 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
- 0.0015 (probability of exploitation in next 30 days)
- EPSS percentile
- 4.50% 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-2026-85167 - Assigner
- Foxit
- Published
- Sep 23, 2026, 7:50:17 AM
- Updated
- Sep 23, 2026, 2:40:58 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
- 0.1500
- Vendors
- Foxit Software Inc.
- Products
-
Foxit PDF Reader (Versions 2026.2 and earlier)Foxit PDF Editor (Versions 13.2.6 and earlier)Foxit PDF Editor (Versions 14.0.7 and earlier)Foxit PDF Editor (Versions 2026.2 and earlier)
- Aliases
-
GHSA-c38v-9c8x-3hf6
ENISA description: A local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure permission configuration that allows the configuration file to be modified by regular users, which may lead to arbitrary script execution with higher 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, MacOS |
| Foxit Software Inc. | Foxit PDF Reader |
Versions 2026.2 and earlier (affected)
|
Windows, MacOS |
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:cvebrief.com
This is a local privilege escalation flaw (CWE-732) occurring within the update daemon. An attacker with low-level local access can exploit insecure permission settings to modify configuration files, resulting in arbitrary code execution with administrative or system-level privileges.
2026-09-24 15:25 UTC -
web:cvefeed.io
The following list is the news that have been mention CVE-2026-91798 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-2026-91798 vulnerability over time.
2026-09-24 15:25 UTC -
web:github.com
Executive Summary: Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0, .NET 9.0, and .NET 10.0. This advisory also provides guidance on what deve...
2026-09-24 15:25 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 15:25 UTC -
web:support.microsoft.com
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...
2026-09-24 15:25 UTC -
web:support.sap.com
SAP security Patch Day Bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the support portal and applies patches on priority to protect their SAP landscape. On 9th of June 2026 , SAP security patch day saw the release of 15 new security notes.
2026-09-24 15:25 UTC -
web:vulners.com
CVE-2026-91798 🗓️ 23 Sep 2026 00:50:17 Reported by Foxit Type cve 🔗 web.nvd.nist.gov 👁 9 Views
2026-09-24 15:25 UTC -
web:www.cvefind.com
Full details for CVE-2026-91798 : technical description, impact, CVSS/EPSS scores, linked CWE, CAPEC, affected CPEs, disclosure date, and mitigation options.
2026-09-24 15:25 UTC -
web:www.rapid7.com
CVE-2026-91798 : Foxit Software Inc.: A local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure…. View severity, references, and remediation details from Rapid7.
2026-09-24 15:25 UTC -
web:www.tenable.com
A local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure permission configuration that allows the configuration file to be modified by regular users, which may lead to arbitrary script execution with higher privileges.
2026-09-24 15:25 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-91798.json.
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