Improper input validation in macOS - CVE-2026-112566

 

Improper input validation in macOS - CVE-2026-112566

Published: October 27, 2026


Vulnerability identifier: #VU157789
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-112566
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an attacker with physical access to the system to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation in Bluetooth. An attacker with physical access to the system can cause a denial-of-service.


Affected software

macOS
iPadOS
Apple iOS

How to mitigate CVE-2026-112566

Install update from vendor's website.

macOS - addressed in versions 27.2 26B123, 26.7.2 25G332
iPadOS - addressed in versions 26.7.2, 27.2 24B119
Apple iOS - addressed in versions 26.7.2, 27.2 24B119, 27.2 24B120, 27.2 24B91020

External References

Related Security Bulletins