CVE-2021-40461: Windows Hyper-V Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 8)

CVSS Vector

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Oct

Released

2021-10-12

EPSS Score

0.56% (percentile: 68.2%)

Affected Products (11)

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 Server 2022
• Windows Server 2022 (Server Core installation)
• Windows 10 Version 2004 for x64-based Systems
• Windows Server, version 2004 (Server Core installation)
• Windows Server, version 20H2 (Server Core Installation)
• Windows 11 version 21H2 for x64-based Systems

Security Updates (5)

• 5006672
• 5006667
• 5006670
• 5006699
• 5006674

Revision History

• 2021-10-12: Information published.