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Microsoft released security updates and non-security updates for all supported versions of its Windows operating system and other company products on January 11, 2022.

The first Patch Tuesday of the year 2022is already available via Windows Update, update management systems such as WSUS, and as direct downloads from the Microsoft Update Catalog.

The guide that you are reading has all the information that you require to make educated updating decisions. It links to all support pages and downloads, list critical vulnerabilities, includes a list of known issues, and also links to additional support pages and resources.

Executive Summary

• Security updates have been released for all support client and server versions of the Windows operating system.
  
• Microsoft released security updates for other company products as well, including .NET Framework, Microsoft Dynamics, Microsoft Office, Microsoft Edge, Microsoft Teams, Microsoft Windows Codecs Library, DirectX, Windows Defender, Windows Secure Boot and others.
  
• The following client operating systems have known issues: Windows 7, Windows 8.1, Windows 10 version 1607, Windows 10 version 20H2, Windows 10 version 21H1, Windows 11
  
• The following server operating systems have known issues: Windows Server 2008, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022
  

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