--- title: "CVE-2026-91815: Foxit PDF Editor/Reader - Remote Code Execution" description: "Foxit PDF Editor/Reader contains a buffer overflow caused by insufficient verification of JPEG2000 image metadata in PDF files, letting attackers cause crashes or execute arbitrary code remotely, exploit requires crafted PDF file." url: https://panop.io/threat-heartbeat/CVE-2026-91815/ --- # CVE-2026-91815 Foxit PDF Editor/Reader - Remote Code Execution Foxit PDF Editor/Reader contains a buffer overflow caused by insufficient verification of JPEG2000 image metadata in PDF files, letting attackers cause crashes or execute arbitrary code remotely, exploit requires crafted PDF file. CVSS base score 7.8 /10 High CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.13% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91815) ## Details Type Remote Code Execution Impact Remote Code Execution, Denial Of Service CVSS vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Published 23 September 2026 Updated 15 October 2026 Weakness [CWE-787](https://cwe.mitre.org/data/definitions/787.html) ## Vendor fix Update to the latest version of Foxit PDF Editor/Reader. 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-2026-91815](https://nvd.nist.gov/vuln/detail/CVE-2026-91815) - [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)