CVE-2026-91805
A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s PDF page-tree handling. A specially crafted PDF can trigger page-structure changes during rendering, causing the application to access released page objects and resulting in memory corruption and an application crash.
- Published Sep 23, 2026
- CVSS 7.8 high
- 0.1% chance of exploitation in the next 30 days (EPSS)