CVE-2022-23268: 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-Apr

Released

2022-04-12

EPSS Score

0.29% (percentile: 52.6%)

FAQ

According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? Successful exploitation of this vulnerability could allow a Hyper-V guest to affect the functionality of the Hyper-V host.

Affected Products (3)

Windows

• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows 11 version 21H2 for x64-based Systems

Security Updates (2)

• 5012604
• 5012592

Acknowledgments

<a href="https://twitter.com/rezer0dai">PETER HLAVATY</a> with Banana Mode

Revision History

• 2022-04-12: Information published.