CVE-2026-91798 HIGH

CVE-2026-91798: Foxit PDF Editor/Reader Updater Privilege Escalation

Vendor Foxit Software Inc.
Product Foxit PDF Editor
Weakness CWE-732
Published September 23, 2026
Last update September 23, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 23, 2026 CVE published