--- title: "CVE-2026-91798: Foxit PDF Editor/Reader - Privilege Escalation" description: "Foxit PDF Editor/Reader contains a local privilege escalation caused by insecure permission configuration in the update daemon, letting local attackers execute arbitrary scripts with higher privileges, exploit requires local access." url: https://panop.io/threat-heartbeat/CVE-2026-91798/ --- # CVE-2026-91798 Foxit PDF Editor/Reader - Privilege Escalation Foxit PDF Editor/Reader contains a local privilege escalation caused by insecure permission configuration in the update daemon, letting local attackers execute arbitrary scripts with higher privileges, exploit requires local access. CVSS base score 8.8 /10 High CISA KEV Not listed Public exploit None known Authentication Required EPSS 0.10% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91798) ## Details Type Privilege Escalation Impact Privilege Escalation, Remote Code Execution CVSS vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Published 23 September 2026 Updated 15 October 2026 Weakness [CWE-732](https://cwe.mitre.org/data/definitions/732.html) ## Vendor fix Update to the latest version with secure permission configurations. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-91798](https://nvd.nist.gov/vuln/detail/CVE-2026-91798) - [https://www.foxit.com/support/security-bulletins.html](https://www.foxit.com/support/security-bulletins.html) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)