CVE-2021-1691: Windows Hyper-V Denial of Service Vulnerability

Overview

Severity

High (CVSS 7.7)

CVSS Vector

CVSS:3.1/AV:N/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

2021-Jan

Released

2021-01-12

EPSS Score

1.00% (percentile: 77.1%)

Affected Products (5)

Windows

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

Security Updates (2)

• 4598242
• 4598229

Acknowledgments

Wei

Revision History

• 2021-01-12: Information published.