CVE-2026-28819: 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…

PriorityP344medium5.4CVSS 3.1

AVNACLPRLUINSUCLILAN

EPSS

7.11%

93.6th percentile

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.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
apple	ios_and_ipados	< 18.7.9	18.7.9
apple	ipados	< 18.7.9	18.7.9
apple	iphone_os	< 18.7.9	18.7.9
apple	macos	< 14.8.7	14.8.7
apple	macos	< 15.7.7	15.7.7
apple	macos	< 26.5	26.5
apple	macos	>= 14.0 < 14.8.7	14.8.7
apple	macos	>= 15.0 < 15.7.7	15.7.7
apple	macos	>= 26.0 < 26.5	26.5

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