CVE-2022-21847: Windows Hyper-V Denial of Service Vulnerability

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Category

Denial of Service

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2022-Jan

Released

2022-01-11

EPSS Score

0.29% (percentile: 52.6%)

Affected Products (10)

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

Security Updates (5)

• 5009557
• 5009545
• 5009543
• 5009555
• 5009566

Acknowledgments

Wei in Kunlun Lab

Revision History

• 2022-01-11: Information published.