Today is the monthly 'Windows Update' day

Windows Update, which delivers Windows security updates and bug fixes that are updated every month, was held this month as well. Please update as soon as possible.

January 2023 Security Updates (Monthly) – Microsoft Security Response Center
https://msrc-blog.microsoft.com/2023/01/10/202301-security-update/

The Microsoft Monthly Security Updates for January 2023 have been released. It updates automatically by default. For organizations that manage updates, we publish an overview on our blog. Please refer to it and deploy the update as soon as possible. https://t.co/S33L8anZrS # Security # Update program # Microsoft pic.twitter.com/PHLi2uqZ59

— Microsoft Security Team (@JSECTEAM) January 11, 2023

◆ Windows 11 v21H2 and v22H2
Maximum severity:
emergency

Biggest impact:
Remote code execution

Related knowledge base or support web pages:
v21H2: 5022287
v22H2: 5022303

◆ Windows 10 v22H2, v21H2, v20H2
Maximum severity:
emergency

Biggest Impact:
Remote code execution

Related knowledge base or support web pages:
5022282

◆ Windows Server 2022 (including Server Core installation)
Maximum severity:
emergency

Biggest Impact:
Remote code execution

Related knowledge base or support web pages:
5022291

◆ Windows Server 2019, 2016 (including Server Core installation)
Maximum severity:
emergency

Biggest Impact:
Remote code execution

Related knowledge base or support web pages:
Windows Server 2019: 5022286

Windows Server 2016: 5022289

◆ Windows 8.1, Windows Server 2012 R2, Windows Server 2012 (including Server Core installation)
Maximum severity:
emergency

Biggest Impact:
Remote code execution

Related knowledge base or support web pages:
・Windows 8.1, Windows Server 2012 R2
Monthly Rollup: 5022352
Security Only: 5022346

・Windows Server 2012
Monthly Rollup: 5022348
Security Only: 5022343

◆Microsoft Office
Maximum severity:
important

Biggest Impact:
Remote code execution

Related knowledge base or support web pages:
https://learn.microsoft.com/officeupdates

◆Microsoft SharePoint
Maximum severity:
emergency

Biggest Impact:
Remote code execution

Related knowledge base or support web pages:
https://learn.microsoft.com/officeupdates/sharepoint-updates

◆Microsoft Exchange Server
Maximum severity:
important

Biggest Impact:
Elevation of Privilege

Related knowledge base or support web pages:
https://learn.microsoft.com/exchange
Released : January 2023 Exchange Server Security Updates

◆Microsoft .NET
Maximum severity:
important

Biggest impact:
Denial of service

Related knowledge base or support web pages:
https://learn.microsoft.com/dotnet

◆Microsoft Visual Studio
Maximum severity:
important

Biggest impact:
Remote code execution

Related knowledge base or support web pages:
https://learn.microsoft.com/visual studio

◆ Azure related software
Maximum severity:
important

Biggest impact:
Elevation of Privilege

Related knowledge base or support web pages:
https://learn.microsoft.com/azure

◆Windows Malicious Software Removal Tool
Maximum severity:
important

Biggest impact:
Elevation of Privilege

Related knowledge base or support web pages:
https://learn.microsoft.com/system-center

In addition, Windows Update will be released on the second Tuesday of every month in US time, and the next update will be provided on Wednesday, February 8, 2023, Japan time.