CVE-2026-86929

State: Published
Severity: 8.8 High
Published: Oct 26, 2026
Updated: Oct 27, 2026
Reserved: Sep 8, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
macOSApple	before 15.8.2Affected before 26.7.2Affected before 27Affected

References

https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149522
https://support.apple.com/en-us/149523

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