CVE-2026-5939 MEDIUM

CVE-2026-5939: UAF in Foxit PDF Editor/Reader via XFA calculate event

Vendor Foxit Software Inc.
Product Foxit PDF Editor
Weakness CWE-416
Published April 27, 2026
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in an arbitrary code execution.

Key dates

02Disclosure timeline

April 27, 2026 CVE published
April 28, 2026 Record updated