Input validation error in macOS - CVE-2026-20650

 

Input validation error in macOS - CVE-2026-20650

Published: February 11, 2026


Vulnerability identifier: #VU122705
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20650
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Bluetooth. A remote attacker in a privileged network position can send specially crafted Bluetooth packets to the system and perform a denial of service (DoS) attack.


Affected software

macOS
visionOS
watchOS
tvOS
iPadOS
Apple iOS

How to mitigate CVE-2026-20650

Install updates from vendor's website.

macOS - update to 26.3 25D125
visionOS - update to 26.3
watchOS - update to 26.3 23S620
tvOS - update to 26.3 23K620
iPadOS - update to 26.3 23D127
Apple iOS - update to 26.3 23D127

External References

Related Security Bulletins