CVE-2026-13126

—

CVSS 3.1

7.8 high

EPSS

<1%p7

Published

Jul 8, 2026 (Jul 8, 2026)

Modified

Jul 9, 2026

Description

The embedded JavaScript in the PDF deleted the pages, making the object invalid. The application attempted to perform a write operation on the invalid pop-up annotations, resulting in the program crashing.

Vendors: foxit
Products: pdf editor, pdf reader
Weakness: CWE-416
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.2%)

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ZDI-26-604: Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability

Foxit PDF Reader use-after-free flaw (CVE-2026-13126) allows remote code execution when users open malicious files; CVSS 7.8 per ZDI advisory.

ZDI-26-604 describes a use-after-free vulnerability in Foxit PDF Reader's annotation handling, tracked as CVE-2026-13126 and rated CVSS 7.8. Exploitation requires user interaction, with the target visiting a malicious page or opening a malicious file, and allows remote attackers to execute arbitrary code. The advisory was published by the Zero Day Initiative on August 24, 2026.

ZDI Published AdvisoriesAug 24, 05:00 UTC · 22d agoAdvisory CVE-2026-13126