Today is the monthly 'Windows Update' day

This month, too, there was a Windows Update that delivers monthly Windows security updates and bug fixes. Let's update as soon as possible.

January 2022 Security Update (Monthly) – Microsoft Security Response Center
https://msrc-blog.microsoft.com/2022/01/11/202201-security-updates/

We have released the monthly security update for January 2022. By default, it will be updated automatically. An overview is posted on the blog for corporate organizations that manage updates. Please refer to it and deploy the update as soon as possible. https://t.co/7AXpwYQJI2 pic.twitter.com/otnBWJPw4q — Microsoft Security Team (@JSECTEAM) January 11, 2022

◆ Windows 11
Maximum severity:
emergency

Most impact:
Code is executed remotely

Relevant Knowledge Base article or support web page:
5009566

◆ Windows 10 v21H2, v21H1, v20H2, v1909
Maximum severity:
emergency

Most impact:
Code is executed remotely

Relevant Knowledge Base article or support web page:
Windows 10 v21H2, v21H1, v20H2: 5009543
Windows 10 v1909: 5009545

◆ Windows Server 2022
Maximum severity:
emergency

Most impact:
Code is executed remotely

Relevant Knowledge Base article or support web page:
Windows Server 2022: 5009555

◆ Windows Server 2019, Windows Server 2016, and Server Core installations (2019, 2016, v20H2)
Maximum severity:
emergency

Most impact:
Code is executed remotely

Relevant Knowledge Base article or support web page:
Windows Server 2019: 5009557 Windows Server 2016: 5009546

◆ Windows 8.1, Windows Server 2012 R2, Windows Server 2012
Maximum severity:
emergency

Most impact:
Code is executed remotely

Relevant Knowledge Base article or support web page:
Windows 8.1, Windows Server 2012 R2 Monthly Rollup: 5009624
Windows 8.1, Windows Server 2012 R2 Security Only: 5009595
Windows Server 2012 Monthly Rollup: 5009586
Windows Server 2012 Security Only: 5009619

◆ Microsoft Office
Maximum severity:
emergency

Most impact:
Code is executed remotely

Relevant Knowledge Base article or support web page:
For more information about security updates, see the Security Updates Guide .

◆ Microsoft SharePoint
Maximum severity:
emergency

Most impact:
Code is executed remotely

Relevant Knowledge Base article or support web page:
For more information about security updates, see the Security Updates Guide .

◆ Microsoft Exchange Server
Maximum severity:
emergency

Most impact:
Code is executed remotely

Relevant Knowledge Base article or support web page:
5008631

◆ Microsoft .NET
Maximum severity:
important

Most impact:
Service denial

Relevant Knowledge Base article or support web page:
For more information about security updates, see the Security Updates Guide .

◆ Microsoft Dynamics 365
Maximum severity:
important

Most impact:
Spoofing

Relevant Knowledge Base article or support web page:
For more information about security updates, see the Security Updates Guide .

◆ Remote Desktop Client for Windows Desktop
Maximum severity:
important

Most impact:
Code is executed remotely

Relevant Knowledge Base article or support web page:
For more information about security updates, see the Security Updates Guide .

The Windows Update will be released on the second Tuesday of every month in US time, and the next update will be available on Wednesday, February 9, 2021 Japan time.