Live › vulnerability › CVE-2026-84539
Go to dashboardAn out-of-bounds write flaw in an unspecified macOS component was fixed with better bounds checking. A malicious app may be able to force an unexpected system termination, which is a denial-of-service effect.
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.
Macs running macOS releases before the fixed builds. The sources do not name the affected component or any special configuration, so the exact exposure is unknown. Teams already on the fixed releases can skip it.
No product ranges from the sources yet.
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, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination.
This page as .md · .json · in your agent: get_signal("CVE-2026-84539")
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