Out-of-bounds write in macOS - CVE-2026-84546

 

Out-of-bounds write in macOS - CVE-2026-84546

Published: September 15, 2026


Vulnerability identifier: #VU149825
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-84546
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause memory corruption.

The vulnerability exists due to an out-of-bounds write in SceneKit when processing remote input. A remote attacker can provide crafted input to cause memory corruption.


Affected software

macOS

How to mitigate CVE-2026-84546

Install update from vendor's website.

macOS - addressed in versions 26.7 25G229, 15.8 24H23

External References

Related Security Bulletins