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6.1 Medium

CVE-2026-84619 An out-of-bounds write issue was addressed with improved bounds checking

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination or write kernel memory.

Affected products and versions

Product Affected versions Fixed in
macOS 27 earliest → < 27 27
macOS 26.7 earliest → < 26.7 26.7
macOS 15.8 earliest → < 15.8 15.8

Other CVEs of macOS

The 3813 CVEs of macOS →
CVE-2026-86925 An authorization issue was addressed with improved state management 5.5 Medium CVE-2026-84627 A buffer overflow was addressed with improved bounds checking 7.8 High CVE-2026-113945 An out-of-bounds read was addressed with improved bounds checking 5.5 Medium CVE-2026-65327 A logic issue was addressed with improved checks 8.4 High
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