What is the severity of CVE-2022-26811?

CVE-2022-26811 is rated as critical due to its potential for remote code execution.

How do I fix CVE-2022-26811?

To fix CVE-2022-26811, apply the latest security updates for affected versions of Windows Server as outlined in the Microsoft remediation guidance.

What are the affected systems for CVE-2022-26811?

CVE-2022-26811 affects Windows Server 2022, 2019, 2016, and specific installations of these systems.

Can CVE-2022-26811 be exploited remotely?

Yes, CVE-2022-26811 allows attackers to execute arbitrary code remotely on vulnerable Windows DNS Servers.

What impact does CVE-2022-26811 have on my system?

The impact of CVE-2022-26811 can lead to unauthorized access and full control over affected servers, posing significant security risks.

Vulnerability/
CVE-2022-26811

critical

12/4/2022

15/4/2022

2/1/2025

CVE-2022-26811: 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 2019		fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server	=20H2	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-2022-26811 (Advisory)

Frequently Asked Questions

What is the severity of CVE-2022-26811?
CVE-2022-26811 is rated as critical due to its potential for remote code execution.
How do I fix CVE-2022-26811?
To fix CVE-2022-26811, apply the latest security updates for affected versions of Windows Server as outlined in the Microsoft remediation guidance.
What are the affected systems for CVE-2022-26811?
CVE-2022-26811 affects Windows Server 2022, 2019, 2016, and specific installations of these systems.
Can CVE-2022-26811 be exploited remotely?
Yes, CVE-2022-26811 allows attackers to execute arbitrary code remotely on vulnerable Windows DNS Servers.
What impact does CVE-2022-26811 have on my system?
The impact of CVE-2022-26811 can lead to unauthorized access and full control over affected servers, posing significant security risks.

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