Advisory Published
CVE Published
Updated

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

First published: Tue Jan 11 2022(Updated: )

Windows Hyper-V Denial of Service Vulnerability.

Credit: secure@microsoft.com secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=21h2
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 11
Microsoft Windows Server=20h2
Microsoft Windows Server=2022
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server=20H2
Microsoft Windows Server 2022
Microsoft Windows 10=21H2
Microsoft Windows 10=21H1
Microsoft Windows 10=1909
Microsoft Windows 11=21H2
Microsoft Windows Server 2019
Microsoft Windows 10=1809
Microsoft Windows Server 2019

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Frequently Asked Questions

  • What is the severity of CVE-2022-21847?

    CVE-2022-21847 has been classified as a denial of service vulnerability with potential impact on system availability.

  • How do I fix CVE-2022-21847?

    To mitigate CVE-2022-21847, users should apply the latest security patches provided by Microsoft for their affected Windows or Windows Server versions.

  • What versions of Windows are affected by CVE-2022-21847?

    CVE-2022-21847 impacts various versions of Windows 10, Windows 11, and Windows Server including 20H2, 21H1, and 21H2.

  • What are the potential impacts of CVE-2022-21847?

    The potential impact of CVE-2022-21847 includes system crashes or unresponsiveness caused by the exploitation of the vulnerability.

  • Is there a workaround for CVE-2022-21847?

    While applying patches is the recommended solution, temporary isolation of vulnerable systems from the network can serve as a workaround while updates are being applied.

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