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AppleCVE-2026-86973

Apple Safari: out-of-bounds read

Apple

CVE-2026-86973 · Published Oct 26, 2026 · updated Oct 27, 2026

Unrated
Fix: upgrade to 27.2 or later (3 fixed versions below)
Apple advisory

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2. Processing maliciously crafted web content may lead to an unexpected process crash.

Affected versions

PackageAffectedFixed in
Safari
Product
< 27.227.2
iOS and iPadOS
Product
< 26.7.226.7.2
< 27.227.2
macOS
Product
< 27.227.2
Details and references
Severity from
no source yet

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