CVE-2026-91803

HighCVSS 7.8/10Last modified Oct 8, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-427

Affected software

VendorProductVersions
Foxit Software Inc.Foxit PDF EditorVersions 2026.2 and earlier; Versions 14.0.7 and earlier
Foxit Software Inc.Foxit PDF ReaderVersions 2026.2 and earlier

References

Timeline

Published
Sep 23, 2026
Last modified
Oct 8, 2026
NVD status
Analyzed

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CVE-2026-91803: High severity, CVSS 7.8 | Vulnix