Live › vulnerability › CVE-2026-64789
Go to dashboardApple fixed a flaw in macOS file attribute validation that let a malicious application bypass Gatekeeper checks. Gatekeeper is the macOS control that vets downloaded and unsigned software before it runs.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-26 21:20 UTC. All times on this page are UTC.
Macs running macOS versions earlier than the fixed releases are affected, since the flaw sits in the operating system's Gatekeeper validation. Systems already on the fixed releases, or managed fleets that have applied the update, can skip it. The sources do not say whether a user must first open or run a malicious app.
No product ranges from the sources yet.
sw_vers -productVersion and compare against the fixed versions below.27 (macOS Golden Gate), 15.8.2 (macOS Sequoia) or 26.7.2 (macOS Tahoe) or later.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
This issue was addressed with improved validation of file attributes. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A malicious application may bypass Gatekeeper checks.
This page as .md · .json · in your agent: get_signal("CVE-2026-64789")
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.