CVE-2026-91798

Foxit PDF Editor/Reader Updater Privilege Escalation

State: Published
Severity: 8.8 High
Published: Sep 23, 2026
Updated: Sep 23, 2026
Reserved: Sep 15, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	Foxit

Weaknesses

CWE-732 Incorrect Permission Assignment for Critical Resource

Affected Products

Product	Versions
Foxit PDF EditorFoxit Software Inc.	Versions 2026.2 and earlierAffected Versions 14.0.7 and earlierAffected Versions 13.2.6 and earlierAffected
Foxit PDF ReaderFoxit Software Inc.	Versions 2026.2 and earlierAffected

References

https://www.foxit.com/support/security-bulletins.html

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