CVE-2026-86929

Published: Oct 26, 2026Modified: Oct 28, 2026

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (2)

Products: Apple: Macos

Apple

1 product

Macos

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Apple Macos	15.0 ≤ version < 15.8.2
Apple Macos	26.0 ≤ version < 26.7.2

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (3)

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

Source: product-security@apple.com

Release NotesVendor Advisory

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

Source: product-security@apple.com

Release NotesVendor Advisory

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

Source: product-security@apple.com

Release NotesVendor Advisory

Timeline

No history available yet.