CVE-2022-21901: Windows Hyper-V Elevation of Privilege Vulnerability

Published Jan 11, 2022
·
Updated

Windows Hyper-V Elevation of Privilege Vulnerability.

Affected Software

32 affected componentsFixes available
Microsoft Windows Server 2012 R2
Patch availablePatch available
Microsoft Windows Server=20H2
Patch available
Microsoft Windows Server 2012 R2
Patch availablePatch available
Microsoft Windows 8.1 for x64-based systems
Patch availablePatch available
Microsoft Windows Server 2019
Patch available
Microsoft Windows Server 2019
Patch available
Microsoft Windows 11=21H2
Patch available
Microsoft Windows Server 2022
Patch available
Microsoft Windows Server 2022
Patch available
Microsoft Windows Server 2016
Patch available
Microsoft Windows Server 2016
Patch available
Microsoft Windows 10=1809
Patch available
Microsoft Windows 10=1607
Patch available
Microsoft Windows 10=21H1
Patch available
Microsoft Windows 10=21H2
Patch available
Microsoft Windows 10=1909
Patch available
Microsoft Windows 10
Patch available
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=21h2
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 11
Microsoft Windows 8.1
Microsoft Windows Server=20h2
Microsoft Windows Server=2022
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21901

Event History

Jan 11, 2022
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
CVE Published
via MITRE·08:23 PM
Data Sourced
via MITRE·08:23 PM
DescriptionSeverity
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Frequently Asked Questions

1

What is CVE-2022-21901?

CVE-2022-21901 is a Windows Hyper-V Elevation of Privilege Vulnerability.

2

Which software is affected by CVE-2022-21901?

CVE-2022-21901 affects Microsoft Windows 10 (all versions), Windows 11, Windows 8.1, and Windows Server (versions 20h2, 2022, 2012, 2012 R2, 2016, and 2019).

3

What is the severity level of CVE-2022-21901?

CVE-2022-21901 has a severity level of critical (8).

4

How can I fix CVE-2022-21901?

To fix CVE-2022-21901, it is recommended to apply the latest security updates provided by Microsoft.

5

Where can I find more information about CVE-2022-21901?

More information about CVE-2022-21901 can be found on the Microsoft Security Guidance Advisory page at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21901

Company

Resources

Contact

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