What is CVE-2023-36406?

CVE-2023-36406 is a vulnerability in Windows Hyper-V that allows for information disclosure.

How severe is CVE-2023-36406?

CVE-2023-36406 has a severity rating of 5.5 (High).

Which software products are affected by CVE-2023-36406?

The affected software products include Microsoft Windows Server 2022, Windows 11 versions 21H2, 22H2, and 23H2, and Windows Server 2022, 23H2 Edition.

How can I fix CVE-2023-36406?

To fix CVE-2023-36406, apply the relevant patches provided by Microsoft.

Where can I find more information about CVE-2023-36406?

You can find more information about CVE-2023-36406 at the Microsoft Security Response Center (MSRC) website.

Vulnerability/
CVE-2023-36406

medium

5.5

CWE

14/11/2023

29/4/2025

CVE-2023-36406: Windows Hyper-V Information Disclosure Vulnerability

First published: Tue Nov 14 2023(Updated: )

Windows Hyper-V Information Disclosure Vulnerability

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Windows Server 2022 23H2		fix available externally
Windows 11	=23H2	fix available externally
Windows 11	=22H2	fix available externally
Windows 11	=22H2	fix available externally
Windows 11	=21H2	fix available externally
Windows 11	=21H2	fix available externally
Windows 11	=23H2	fix available externally
Windows 11	<10.0.22000.2600
Windows 11	<10.0.22621.2715
Windows 11	<10.0.22631.2715
Microsoft Windows Server 2022
Microsoft Windows Server 2022	<10.0.25398.531
Microsoft Windows Server 2022		fix available externally fix available externally
Microsoft Windows Server 2022		fix available externally fix available externally

Remedy

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36406

Never miss a vulnerability like this again

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36406 (Advisory)

Frequently Asked Questions

What is CVE-2023-36406?
CVE-2023-36406 is a vulnerability in Windows Hyper-V that allows for information disclosure.
How severe is CVE-2023-36406?
CVE-2023-36406 has a severity rating of 5.5 (High).
Which software products are affected by CVE-2023-36406?
The affected software products include Microsoft Windows Server 2022, Windows 11 versions 21H2, 22H2, and 23H2, and Windows Server 2022, 23H2 Edition.
How can I fix CVE-2023-36406?
To fix CVE-2023-36406, apply the relevant patches provided by Microsoft.
Where can I find more information about CVE-2023-36406?
You can find more information about CVE-2023-36406 at the Microsoft Security Response Center (MSRC) website.

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