CVE-2026-84515: 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…

PriorityP345high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.13%

3.0th percentile

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. Connecting to a malicious SMB server may lead to kernel memory corruption.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
apple	macos	< 15.8	15.8
apple	macos	< 26.7	26.7
apple	macos	< 27	27
apple	macos	>= 15.0 < 15.8	15.8
apple	macos	>= 26.0 < 26.7	26.7

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