#VU124717 Use-after-free in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2026-3779

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Main Vulnerability Database Vulnerabilities #VU124717

#VU124717 Use-after-free in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2026-3779

Published: March 31, 2026


Vulnerability identifier: #VU124717
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-3779
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Foxit PDF Editor (formerly Foxit PhantomPDF)
Foxit PDF Reader for Windows
Software vendor:
Foxit Software Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to use-after-free in document handling when processing certain PDFs with JavaScript. A remote attacker can trick the victim into opening a specially crafted PDF to execute arbitrary code.


Remediation

Install security update from vendor's website.

External links