CVE-2026-91788 MEDIUM

CVE-2026-91788: Foxit PDF Editor/Reader Missing Authorization Information Disclosure Vulnerability

Vendor Foxit Software Inc.
Product Foxit PDF Editor
Weakness CWE-668
Published September 23, 2026
Last update September 23, 2026

CVSS base score

4.7/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

When implementing the JavaScript interface, Foxit PDF Editor/Reader did not perform the attribute authorization checks required by the specification. As a result, a trusted malicious PDF could potentially access sensitive content from other documents within the same process and transmit it externally.

Key dates

02Disclosure timeline

September 23, 2026 CVE published