[ CVE-2026-91798 · Published 23 Sep 2026 ]
Vulnerability in Foxit Software Inc. Foxit PDF Editor
CVSS 8.8
EPSS <1%1 agency advisoryNo fix listed yet
[ Description ]Official description
A local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure permission configuration that allows the configuration file to be modified by regular users, which may lead to arbitrary script execution with higher privileges.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
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CERT-FRCERTFR-2026-AVI-1214
Multiple vulnerabilities in FoxIT products Translated from French
Multiple vulnerabilities have been discovered in FoxIT products. Some of them allow an attacker to cause arbitrary code execution, privilege escalation and a breach of data confidentiality.