Main Vulnerability Database Vulnerabilities #VU54828

Security features bypass in Microsoft Windows and Windows Server - CVE-2021-33744

Published: July 13, 2021

Vulnerability identifier: #VU54828

CSH Severity: Low

CVSS v4: 5.6 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-33744

CWE-ID: CWE-254

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to security feature bypass issue in Windows Secure Kernel Mode. A local administrator can gain elevated privileges on the target system.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2021-33744

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33744

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