CVE-2026-84520

Published: Sep 14, 2026Modified: Sep 16, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

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

Description

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.

Affected (1)

Products: Apple: Macos

Apple

1 product

Macos

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Apple Macos	version < 27.0

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (1)

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

Source: product-security@apple.com

Vendor AdvisoryRelease Notes

Timeline

No history available yet.