CVE-2026-13128 Foxit PDF Editor/Reader Doc Object Use-After-Free Remote Code Execution Vulnerability

High 7.8 Published 8 Jul 2026 Updated 8 Jul 2026

Attackers can execute arbitrary code or cause denial of service by embedding JavaScript in a PDF that triggers a use-after-free condition in Foxit PDF Editor or Reader.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-13128?

CVE-2026-13128 is a high-severity use after free vulnerability in Foxit Pdf Editor, published on 8 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Embedding JavaScript within a PDF file will cause the page to be deleted. Subsequent scripts will continue to access the relevant properties of the document view, eventually leading to the crash of the application.

Weakness: CWE-416

Which versions are affected by CVE-2026-13128?

It affects 2 products.

Products include Foxit Pdf Editor, Foxit Pdf Reader.

How do I fix CVE-2026-13128?

No fix has been published for CVE-2026-13128 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-13128 being exploited?

There is no known exploitation of CVE-2026-13128 in the wild and no public exploit code.

All Foxit Pdf Editor vulnerabilities

Sources

Also known as GHSA-v4qp-8g92-cj69.