Input validation error in macOS - CVE-2026-20650
Published: February 11, 2026
Vulnerability identifier: #VU122705
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-20650
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
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.
How to mitigate CVE-2026-20650
Install updates from vendor's website.