CVE-2026-84581

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

8.4

Vector

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

Exploitability: 2.5 / Impact: 5.9

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

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

Affected (2)

Products: Apple: Macos

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Apple Macos	15.0 ≤ version < 15.8
Apple Macos	26.0 ≤ version < 26.7

Related CWEs

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 (3)

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

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/149042

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/149043

Source: product-security@apple.com

Release NotesVendor Advisory

Timeline

No history available yet.