High severity8.8NVD Advisory· Published Sep 23, 2026· Updated Oct 8, 2026
CVE-2026-91803
CVE-2026-91803
Description
A local privilege escalation vulnerability exists in the updater of Foxit PDF Editor/Reader due to unsafe loading of dynamic-link libraries from a user-writable directory during high-privilege operations. A local attacker could exploit this issue to execute code with elevated privileges.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3Patches
Vulnerability mechanics
References
1- www.foxit.com/support/security-bulletins.htmlnvdVendor Advisory
News mentions
1- Foxit PDF Editor/Reader: 23 Vulnerabilities Disclosed in Single Batch, Affecting Multiple ComponentsVypr Intelligence · Sep 23, 2026