Out-of-bounds write in macOS - CVE-2026-112670
Published: October 27, 2026
Vulnerability identifier: #VU157791
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-112670
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to corrupt memory, potentially causing a denial of service or arbitrary code execution.
The vulnerability exists due to an out-of-bounds write in the BOM component of Apple macOS when processing input. A remote attacker can provide specially crafted input to corrupt memory beyond an intended buffer boundary, potentially causing a crash or arbitrary code execution.
Affected software
macOS
How to mitigate CVE-2026-112670
Install update from vendor's website.
macOS - addressed in versions 27.2 26B123, 15.8.2 24H232, 26.7.2 25G332