CVE-2026-91790 HIGH

CVE-2026-91790: Foxit PDF Editor/Reader Doc Object Use-After-Free Information Disclosure Vulnerability

Vendor Foxit Software Inc.
Product Foxit PDF Editor
Weakness CWE-416
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

When rendering the page image, Foxit PDF Editor/Reader fails to perform validation on image objects whose optional content attributes are malformed. As a result, the program may access an already-freed internal data structure, triggering a crash due to UAF.

Key dates

02Disclosure timeline

September 23, 2026 CVE published