Apple OS OOB Write Vulnerability (iOS 27, macOS 15.8.2)
CVE-2026-84595 Published on October 26, 2026

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27. An app may be able to cause unexpected system termination.

NVD

Products Associated with CVE-2026-84595

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Apple Ios And Ipados

Apple macOS

Apple visionOS

Affected Versions

Apple iOS and iPadOS:

Before 27 is affected.

Apple macOS:

Before 15.8.2 is affected.
Before 26.7.2 is affected.
Before 27 is affected.

Apple visionOS:

Before 27 is affected.