CVE-2026-91809

HIGHCVSS 7.8

Description

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed PDF form fields. Improper validation during field-name traversal may cause the application to access a released object, resulting in an application crash.

Timeline

Published:September 23rd, 2026 8:17 AM

Last modified:September 23rd, 2026 5:58 PM

CVSS Scoring

CVSS v3: 7.8 (HIGH)

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

Weaknesses (CWE)

CWE-416

References & Reports

Advisories, patches, and third-party reports

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

Source: NIST NVD · Data may lag official sources by up to one minute