CVE-2021-33744: Windows Secure Kernel Mode Security Feature Bypass Vulnerability

Overview

Severity

Medium (CVSS 5.3)

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C

Category

Security Feature Bypass

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Jul

Released

2021-07-13

EPSS Score

0.19% (percentile: 41.0%)

Affected Products (9)

Windows

• Windows 10 Version 1809 for x64-based Systems
• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows 10 Version 1909 for x64-based Systems
• Windows 10 Version 21H1 for x64-based Systems
• Windows 10 Version 2004 for x64-based Systems
• Windows Server, version 2004 (Server Core installation)
• Windows 10 Version 20H2 for x64-based Systems
• Windows Server, version 20H2 (Server Core Installation)

Security Updates (3)

• 5004244
• 5004245
• 5004237

Revision History

• 2021-07-13: Information published.