CVE-2026-91795 HIGH

CVE-2026-91795: Foxit PDF Editor/Reader FileOpen Uninitialized Variable Remote Code Execution Vulnerability

Vendor Foxit Software Inc.
Product Foxit PDF Editor
Weakness CWE-822
Published September 23, 2026
Last update September 23, 2026
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and write access violations and potentially enabling arbitrary code execution.

Key dates

02Disclosure timeline

September 23, 2026 CVE published