Live › vulnerability › CVE-2026-84545
Go to dashboardA use-after-free memory bug in macOS lets an app under App Sandbox restrictions break out of the sandbox. The attacker can then run code with root privileges.
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.
Any Mac running an macOS release older than the fixed versions is exposed, because the flaw is in the operating system itself rather than in a third-party app. The sources do not say whether a non-default setting is needed, so treat all unpatched Macs as affected. Managed fleets should prioritise machines that run untrusted or sandboxed apps.
No product ranges from the sources yet.
sw_vers -productVersion and compare it to the fixed builds listed in the sources.27 (Golden Gate), 15.8.2 (Sequoia), or 26.7.2 (Tahoe), or a later release.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app with App Sandbox restrictions may be able to escape the sandbox and execute code with root privileges.
This page as .md · .json · in your agent: get_signal("CVE-2026-84545")
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