Improper input validation in macOS - CVE-2026-113909

 

Improper input validation in macOS - CVE-2026-113909

Published: October 27, 2026


Vulnerability identifier: #VU157989
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-113909
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 escalate privileges on the system.

The vulnerability exists due to insufficient input validation in Wi-Fi. An attacker with physical access to the system can corrupt process memory.


Affected software

macOS
iPadOS
Apple iOS

How to mitigate CVE-2026-113909

Install update from vendor's website.

macOS - update to 27.2 26B123
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