MajorCritical vulnerability

CVE-2026-91803 (CVSS 8.8)

NVD · officialPublished Sep 23, 2026Risk 37/100EPSS 0.1%

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.

Technical details

CVSS

8.8

AV:LocalAC:LowPR:LowUI:NoneC:HighI:HighA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

Open primary source