Security features bypass in Windows Defender - CVE-2024-20671
Published: March 12, 2024 / Updated: June 27, 2025
Vulnerability identifier: #VU87472
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-20671
CWE-ID: CWE-254
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to security features bypass in the Microsoft Defender. A local user can prevent Microsoft Defender from starting.
Affected software
Windows Defender
How to mitigate CVE-2024-20671
Install updates from vendor's website.