Out-of-bounds write in macOS - CVE-2026-112544

 

Out-of-bounds write in macOS - CVE-2026-112544

Published: October 27, 2026


Vulnerability identifier: #VU157775
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-112544
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to an out-of-bounds write in AppleRAID when processing input. A local user can supply crafted input to trigger a write outside the bounds of a memory buffer and cause a denial of service.


Affected software

macOS

How to mitigate CVE-2026-112544

Install update from vendor's website.

macOS - update to 27.2 26B123

External References

Related Security Bulletins