What is CVE-2023-36743?

CVE-2023-36743 is a Win32k Elevation of Privilege Vulnerability.

Which software is affected by CVE-2023-36743?

CVE-2023-36743 affects Microsoft Windows 10 (version 1607), Windows 11 (version 22H2), Windows Server 2016, Windows Server 2019, Windows Server 2008, Windows Server 2012 R2, Windows 10 (version 1809), Windows Server 2022, Windows 10 (version 22H2), Windows 11 (version 21H2), and Windows Server 2008 R2.

What is the severity of CVE-2023-36743?

CVE-2023-36743 has a severity of 7.8 (high).

How can I fix CVE-2023-36743?

To fix CVE-2023-36743, you can apply the patches provided by Microsoft for the affected software versions. Please refer to the Microsoft support links in the software's remedy section for more information.

Where can I find more information about CVE-2023-36743?

You can find more information about CVE-2023-36743 on the Microsoft Security Response Center (MSRC) website.

Vulnerability/
CVE-2023-36743

high

7.8

CWE

416

10/10/2023

1/1/2025

CVE-2023-36743: Win32k Elevation of Privilege Vulnerability

First published: Tue Oct 10 2023(Updated: 3 months ago)

Win32k Elevation of Privilege Vulnerability

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Windows Server 2008 R2		fix available externally fix available externally
Microsoft Windows Server 2012 R2		fix available externally fix available externally
Microsoft Windows Server 2012 R2		fix available externally fix available externally
Microsoft Windows Server 2008 R2		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server		fix available externally fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2019		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
Microsoft Windows Server 2022		fix available externally
Microsoft Windows Server 2022		fix available externally
Microsoft Windows 10	<10.0.10240.20232
Microsoft Windows 10	<10.0.10240.20232
Microsoft Windows 10	<10.0.14393.6351
Microsoft Windows 10	<10.0.14393.6351
Microsoft Windows 10	<10.0.17763.4974
Microsoft Windows 10	<10.0.19041.3570
Microsoft Windows 10	<10.0.19045.3570
Windows 11	<10.0.22000.2538
Windows 11	<10.0.22621.2428
Microsoft Windows Server	=r2-sp1
Microsoft Windows Server	=r2-sp2
Microsoft Windows Server
Microsoft Windows Server	=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Windows 10	=1809	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=22H2	fix available externally
Windows 10	=22H2	fix available externally
Windows 10	=22H2	fix available externally
Windows 10	=1607	fix available externally
Windows 10	=1607	fix available externally
Windows 10	=21H2	fix available externally
Windows 10	=21H2	fix available externally
Windows 10	=21H2	fix available externally
Windows 10		fix available externally
Windows 10		fix available externally

Remedy

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36743

Never miss a vulnerability like this again

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36743 (Advisory)

Frequently Asked Questions

What is CVE-2023-36743?
CVE-2023-36743 is a Win32k Elevation of Privilege Vulnerability.
Which software is affected by CVE-2023-36743?
CVE-2023-36743 affects Microsoft Windows 10 (version 1607), Windows 11 (version 22H2), Windows Server 2016, Windows Server 2019, Windows Server 2008, Windows Server 2012 R2, Windows 10 (version 1809), Windows Server 2022, Windows 10 (version 22H2), Windows 11 (version 21H2), and Windows Server 2008 R2.
What is the severity of CVE-2023-36743?
CVE-2023-36743 has a severity of 7.8 (high).
How can I fix CVE-2023-36743?
To fix CVE-2023-36743, you can apply the patches provided by Microsoft for the affected software versions. Please refer to the Microsoft support links in the software's remedy section for more information.
Where can I find more information about CVE-2023-36743?
You can find more information about CVE-2023-36743 on the Microsoft Security Response Center (MSRC) website.

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