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AppleCVE-2026-84545

Apple macOS: use after free

Apple

CVE-2026-84545 · Published Oct 26, 2026 · updated Oct 27, 2026

Unrated
Fix: upgrade to 15.8.2 or later (3 fixed versions below)
Apple advisory

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.

Affected versions

PackageAffectedFixed in
macOS
Product
< 15.8.215.8.2
< 26.7.226.7.2
< 2727
Details and references
Severity from
no source yet

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