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Severe, 6 weeks977Projects326

977 severe, 6 weeks · 326 projects

AppleCVE-2026-84494

Apple iOS and iPadOS: out-of-bounds write

Apple

CVE-2026-84494 · Published Oct 26, 2026 · updated Nov 2, 2026

High7.1
Fix: upgrade to 27.2 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 iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. An app may be able to cause unexpected system termination or write kernel memory.

Affected versions

PackageAffectedFixed in
iOS and iPadOS
Product
< 27.227.2
macOS
Product
< 27.227.2
visionOS
Product
< 27.227.2
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Severity from
NVD
Weakness
CWE-787

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