Advisory Published
CVE Published
Updated

CVE-2022-26826: Windows DNS Server Remote Code Execution Vulnerability

First published: Tue Apr 12 2022(Updated: )

Windows DNS Server Remote Code Execution Vulnerability

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows Server=20H2
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows Server 2016
Microsoft Windows 11=21H2
Microsoft Windows Server 2016
Microsoft Windows 11=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
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 11
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H1
Microsoft Windows 10=21H1
Microsoft Windows 10=21H1
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=20H2
Microsoft Windows 10=20H2
Microsoft Windows 10=20H2

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Frequently Asked Questions

  • What is the severity of CVE-2022-26826?

    CVE-2022-26826 is rated as critical due to the potential for remote code execution in affected systems.

  • How do I fix CVE-2022-26826?

    To fix CVE-2022-26826, apply the latest security updates provided by Microsoft for your affected Windows version.

  • What versions of Windows are affected by CVE-2022-26826?

    CVE-2022-26826 affects multiple versions of Windows including Windows Server 2022, 2019, 2016, and various editions of Windows 10 and 11.

  • What is the attack vector for CVE-2022-26826?

    CVE-2022-26826 can be exploited remotely without authentication, making it particularly dangerous for unprotected systems.

  • Are there any workarounds for CVE-2022-26826?

    While patching is the recommended approach, disabling DNS functions can serve as a temporary workaround for CVE-2022-26826.

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