CVE-2026-86929: An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe…

PriorityP356high8.8CVSS 3.1

AVNACLPRNUIRSUCHIHAH

EPSS

0.65%

51.1th percentile

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to arbitrary code execution.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
apple	macos	< 15.8.2	15.8.2
apple	macos	< 26.7.2	26.7.2
apple	macos	< 27	27

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