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.
The Microsoft Windows Security Updates: January 2022
We have prepared a Microsoft Excel spreadsheet that contains all relevant security updates that Microsoft released on the January 2022 Patch Day. Click on the following link to download it, as a zip file, to your local system: Security Updates 2022-01-11-070359pm
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
Operating System Distribution
- Windows 7 (extended support only): 34 vulnerabilities: 2 critical and 32 important
- Virtual Machine IDE Drive Elevation of Privilege Vulnerability — CVE-2022-21833
- Active Directory Domain Services Elevation of Privilege Vulnerability — CVE-2022-21857
- Windows 8.1: 51 vulnerabilities: 3 critical and 18 important
- same as Windows 7
- Windows 10 version 1909: 77 vulnerabilities: 5 critical and 72 important
- Open Source Curl Remote Code Execution Vulnerability — CVE-2021-22947
- Virtual Machine IDE Drive Elevation of Privilege Vulnerability — CVE-2022-21833
- Active Directory Domain Services Elevation of Privilege Vulnerability — CVE-2022-21857
- DirectX Graphics Kernel Remote Code Execution Vulnerability — CVE-2022-21912
- DirectX Graphics Kernel Remote Code Execution Vulnerability — CVE-2022-21898
- Windows 10 version 2004, 20H2, 21H1 and 21H2 : 78 vulnerabilities, 6 critical and 72 important
- DirectX Graphics Kernel Remote Code Execution Vulnerability — CVE-2022-21912
- HTTP Protocol Stack Remote Code Execution Vulnerability — CVE-2022-21907
- DirectX Graphics Kernel Remote Code Execution Vulnerability — CVE-2022-21898
- Active Directory Domain Services Elevation of Privilege Vulnerability — CVE-2022-21857
- Virtual Machine IDE Drive Elevation of Privilege Vulnerability — CVE-2022-21833
- Open Source Curl Remote Code Execution Vulnerability — CVE-2021-22947
- Windows 11: 66 vulnerabilities, 3 critical and 63 important
- HTTP Protocol Stack Remote Code Execution Vulnerability — CVE-2022-21907
- Active Directory Domain Services Elevation of Privilege Vulnerability — CVE-2022-21857
- Open Source Curl Remote Code Execution Vulnerability — CVE-2021-22947
Windows Server products
- Windows Server 2008 R2 (extended support only): 34 vulnerabilities: 2 critical and 32 important
- Virtual Machine IDE Drive Elevation of Privilege Vulnerability — CVE-2022-21833
- Active Directory Domain Services Elevation of Privilege Vulnerability — CVE-2022-21857
- Windows Server 2012 R2: 52 vulnerabilities: 2 critical and 50 important
- Active Directory Domain Services Elevation of Privilege Vulnerability — CVE-2022-21857
- Virtual Machine IDE Drive Elevation of Privilege Vulnerability — CVE-2022-21833
- Windows Server 2016: 63 vulnerabilities: 2 critical and 61 important
- Active Directory Domain Services Elevation of Privilege Vulnerability — CVE-2022-21857
- Virtual Machine IDE Drive Elevation of Privilege Vulnerability — CVE-2022-21833
- Windows Server 2019: 82 vulnerabilities: 6 critical and 76 important
- HTTP Protocol Stack Remote Code Execution Vulnerability — CVE-2022-21907
- DirectX Graphics Kernel Remote Code Execution Vulnerability — CVE-2022-21912
- DirectX Graphics Kernel Remote Code Execution Vulnerability — CVE-2022-21898
- Active Directory Domain Services Elevation of Privilege Vulnerability — CVE-2022-21857
- Virtual Machine IDE Drive Elevation of Privilege Vulnerability — CVE-2022-21833
- Open Source Curl Remote Code Execution Vulnerability — CVE-2021-22947
- Windows Server 2022: 81 vulnerabilities: 5 critical and 76 important
- HTTP Protocol Stack Remote Code Execution Vulnerability — CVE-2022-21907
- DirectX Graphics Kernel Remote Code Execution Vulnerability — CVE-2022-21898
- Active Directory Domain Services Elevation of Privilege Vulnerability — CVE-2022-21857
- Virtual Machine IDE Drive Elevation of Privilege Vulnerability — CVE-2022-21833
- Open Source Curl Remote Code Execution Vulnerability — CVE-2021-22947
Windows Security Updates
Windows 7 SP1 and Windows Server 2008 R2
- Monthly Rollup:
- Security-Only:
Updates and improvements:
Windows 8.1 and Windows Server 2012 R2
- Monthly Rollup:
- Security-only:
Updates and improvements:
Windows 10 version 1909
- Support Page:
Updates and improvements:
Windows 10 version 2004, 20H2, 21H1 and 21H2
- Support Page:
Updates and improvements:
Windows 11
- Support Page:
Updates and improvements:
Other security updates
Known Issues
Security advisories and updates
ADV 990001 — Latest Servicing Stack Updates
Non-security updates
Microsoft Office Updates
You find Office update information here.
How to download and install the January 2022 security updates
Direct update downloads
Below are resource pages with direct download links, if you prefer to download the updates to install them manually.
Windows 7 and Server 2008 R2
- — 2022-01 Security Monthly Quality Rollup for Windows 7
- — 2022-01 Security Only Quality Update for Windows 7
Windows 8.1 and Windows Server 2012 R2
- — 2022-01 Security Monthly Quality Rollup for Windows 8.1
- — 2022-01 Security Only Quality Update for Windows 8.1
Windows 10 (version 1909)
- — 2022-01 Cumulative Update for Windows 10 Version 1909
Windows 10 (version 2004)
- — 2022-01 Cumulative Update for Windows 10 Version 2004
Windows 10 (version 20H2)
- — 2022-01 Cumulative Update for Windows 10 Version 20H2
Windows 10 (version 21H1)
- — 2022-01 Cumulative Update for Windows 10 Version 21H1
Windows 10 (version 21H2)
- — 2022-01 Cumulative Update for Windows 10 Version 21H2
Windows 11
- — 2022-01 Cumulative Update for Windows 11
Additional resources
- January 2022 Security Updates release notes
- List of software updates for Microsoft products
- List of the latest Windows Updates and Services Packs
- Security Updates Guide
- Microsoft Update Catalog site
- Our in-depth Windows update guide
- How to install optional updates on Windows 10
- Windows 11 Update History
- Windows 10 Update History
- Windows 8.1 Update History
- Windows 7 Update History
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