What is the severity of CVE-2022-26823?

CVE-2022-26823 is classified as a critical vulnerability that allows remote code execution on affected Windows DNS Servers.

How do I fix CVE-2022-26823?

To fix CVE-2022-26823, apply the appropriate security patches provided by Microsoft for your version of Windows Server.

What versions of Windows Server are affected by CVE-2022-26823?

CVE-2022-26823 affects Windows Server 2016, 2019, and 2022 across different installations.

Can CVE-2022-26823 be exploited remotely?

Yes, CVE-2022-26823 can be exploited remotely by an attacker to execute arbitrary code on the server.

What is the potential impact of CVE-2022-26823?

The potential impact of CVE-2022-26823 includes unauthorized access to sensitive information and the ability to take full control of the affected server.

Vulnerability/
CVE-2022-26823

critical

12/4/2022

15/4/2022

2/1/2025

CVE-2022-26823: 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 Software	Affected Version	How to fix
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server	=20H2	fix available externally
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server 2016
Microsoft Windows Server 2016	=20h2
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2022		fix available externally
Microsoft Windows Server 2022		fix available externally

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Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26823 (Advisory)

Frequently Asked Questions

What is the severity of CVE-2022-26823?
CVE-2022-26823 is classified as a critical vulnerability that allows remote code execution on affected Windows DNS Servers.
How do I fix CVE-2022-26823?
To fix CVE-2022-26823, apply the appropriate security patches provided by Microsoft for your version of Windows Server.
What versions of Windows Server are affected by CVE-2022-26823?
CVE-2022-26823 affects Windows Server 2016, 2019, and 2022 across different installations.
Can CVE-2022-26823 be exploited remotely?
Yes, CVE-2022-26823 can be exploited remotely by an attacker to execute arbitrary code on the server.
What is the potential impact of CVE-2022-26823?
The potential impact of CVE-2022-26823 includes unauthorized access to sensitive information and the ability to take full control of the affected server.

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