Live › vulnerability › CVE-2026-84590
Go to dashboardAn out-of-bounds write in an unspecified macOS component can crash an app or corrupt heap memory. Apple says a remote attacker may be able to trigger it, and the description does not say what code path is involved.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-26 21:55 UTC. All times on this page are UTC.
No product ranges from the sources yet.
sw_vers -productVersion on each Mac and compare against the fixed versions.27.2 (Golden Gate), 15.8.2 (Sequoia) or 26.7.2 (Tahoe), whichever matches the installed major release.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination or heap corruption.
This page as .md · .json · in your agent: get_signal("CVE-2026-84590")
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