CVE-2021-33744

Windows Secure Kernel Mode Security Feature Bypass Vulnerability

Description

Windows Secure Kernel Mode Security Feature Bypass Vulnerability

5.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.19%

Vendor Advisory microsoft.com

Affected: Microsoft Windows 10 Version 1809

Affected: Microsoft Windows Server 2019

Affected: Microsoft Windows Server 2019 (Server Core installation)

Affected: Microsoft Windows 10 Version 1909

Affected: Microsoft Windows 10 Version 21H1

Affected: Microsoft Windows 10 Version 2004

Affected: Microsoft Windows Server version 2004

Affected: Microsoft Windows Server version 20H2

References

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

Frequently Asked Questions

What is the severity of CVE-2021-33744?: CVE-2021-33744 has been scored as a medium severity vulnerability.
How to fix CVE-2021-33744?: To fix CVE-2021-33744, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33744 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-33744 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33744?: CVE-2021-33744 affects Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 21H1, Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows Server version 20H2.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.