What is the severity of CVE-2022-21845?

CVE-2022-21845 has a high severity rating, indicating that it poses a significant risk to affected systems.

How do I fix CVE-2022-21845?

To fix CVE-2022-21845, apply the latest security updates provided by Microsoft for the affected Windows versions.

Which versions of Windows are affected by CVE-2022-21845?

CVE-2022-21845 affects multiple versions of Windows, including Windows 10, Windows 7, Windows Server 2008 R2, and others.

What type of vulnerability is CVE-2022-21845?

CVE-2022-21845 is classified as a Windows Kernel Information Disclosure Vulnerability.

Can CVE-2022-21845 be exploited remotely?

Yes, CVE-2022-21845 can potentially be exploited remotely by an attacker to gain unauthorized access to sensitive information.

Vulnerability/
CVE-2022-21845

medium

4.7

12/7/2022

2/1/2025

CVE-2022-21845: Windows Kernel Information Disclosure Vulnerability

First published: Tue Jul 12 2022(Updated: )

Windows Kernel Information Disclosure Vulnerability

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Windows 7		fix available externally fix available externally
Microsoft Windows Server 2008 R2		fix available externally fix available externally
Microsoft Windows Server 2012 R2		fix available externally fix available externally
Microsoft Windows 7		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	=20H2	fix available externally
Microsoft Windows RT		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 8.1		fix available externally fix available externally
Microsoft Windows 8.1		fix available externally fix available externally
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2019		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 Server 2016		fix available externally
Microsoft Windows Server 2016		fix available externally
Windows 10	=20H2	fix available externally
Windows 10	=20H2	fix available externally
Windows 10	=20H2	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1809	fix available externally
Windows 10	=1607	fix available externally
Windows 10	=1607	fix available externally
Windows 10	=21H1	fix available externally
Windows 10	=21H1	fix available externally
Windows 10	=21H1	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
Windows 10	=20h2
Windows 10	=20h2
Windows 10	=20h2
Windows 10	=21h1
Windows 10	=21h1
Windows 10	=21h1
Windows 10	=21h2
Windows 10	=21h2
Windows 10	=21h2
Windows 10	=1607
Windows 10	=1607
Windows 10	=1809
Windows 10	=1809
Windows 10	=1809
Windows 11
Windows 11
Microsoft Windows 7	=sp1
Microsoft Windows 7	=sp1
Microsoft Windows
Microsoft Windows
Microsoft Windows RT
Microsoft Windows Server	=sp2
Microsoft Windows Server	=sp2
Microsoft Windows Server	=r2-sp1
Microsoft Windows Server
Microsoft Windows Server	=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022

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Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21845 (Advisory)

Frequently Asked Questions

What is the severity of CVE-2022-21845?
CVE-2022-21845 has a high severity rating, indicating that it poses a significant risk to affected systems.
How do I fix CVE-2022-21845?
To fix CVE-2022-21845, apply the latest security updates provided by Microsoft for the affected Windows versions.
Which versions of Windows are affected by CVE-2022-21845?
CVE-2022-21845 affects multiple versions of Windows, including Windows 10, Windows 7, Windows Server 2008 R2, and others.
What type of vulnerability is CVE-2022-21845?
CVE-2022-21845 is classified as a Windows Kernel Information Disclosure Vulnerability.
Can CVE-2022-21845 be exploited remotely?
Yes, CVE-2022-21845 can potentially be exploited remotely by an attacker to gain unauthorized access to sensitive information.

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