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AppleCVE-2026-112552

Apple macOS: out-of-bounds write

Apple

CVE-2026-112552 · Published Oct 26, 2026 · updated Oct 27, 2026

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

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. An attacker with control of a network file server may be able to cause unexpected system termination.

Affected versions

PackageAffectedFixed in
macOS
Product
< 15.8.215.8.2
< 26.7.226.7.2
< 27.227.2
Details and references
Severity from
no source yet

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