Apple macOS/iOS kernel OOBW fixed in 18.7.9
CVE-2026-28819 Published on May 11, 2026

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to execute arbitrary code with kernel privileges.

NVD

Products Associated with CVE-2026-28819

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Apple iOS

Apple iPadOS

Apple macOS

Apple Macos Sonoma

Apple Ios And Ipados

Affected Versions

Apple iOS and iPadOS:

Before 18.7.9 is affected.

Apple macOS:

Before 14.8.7 is affected.
Before 15.7.7 is affected.
Before 26.5 is affected.