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CVE-2026-91791

Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability

CVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-91791

Published

When processing a specially crafted PDF file, Foxit PDF Editor/Reader may encounter a reentrant execution condition involving JavaScript triggered by page-visibility events. This can cause the application to access a released page-view object while calculating annotation boundaries, resulting in an invalid memory read and application crash.

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Affected versions, risk and source history

Related advisories and sources

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-91791 · CVE overview and exploitation status

cve-program · CVE-2026-91791

Related changes

Linked by CVE identifier

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

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