Today is the monthly “Windows Update” day.

On January 10, 2024, the monthly ' Windows Update ', which distributes Windows security updates and bug fixes, was held. Please update it as soon as possible.

January 2024 Security Updates (Monthly) | MSRC Blog | Microsoft Security Response Center
https://msrc.microsoft.com/blog/2024/01/202401-security-update/

Microsoft monthly security updates for January 2024 have been released. By default it updates automatically. For organizations managing updates, we have published an overview on our blog. Please refer to it and update it as soon as possible. #Security #Update #Microsoft https://t.co/LSSgTzNtDr pic.twitter.com/ps1w0RWLQt

— Microsoft Security Team (@JSECTEAM) January 9, 2024

◆Windows 11 v23H2, v22H2, v21H2
Maximum severity:
emergency

Biggest impact:
Enables remote code execution

Related Knowledge Base or Support Web Pages:
v23H2, v22H2 5034123
v21H2 5034121

◆Windows 10 v22H2, v21H2
Maximum severity:
emergency

Biggest impact:
Enables remote code execution

Related Knowledge Base or Support Web Pages:
5034122

◆Windows Server 2022, 23H2 (including Server Core installation)
Maximum severity:
emergency

Biggest impact:
Enables remote code execution

Related Knowledge Base or Support Web Pages:
Windows Server 2022 5034129
Windows Server 2022 23H2 5034130

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

Biggest impact:
Enables remote code execution

Related Knowledge Base or Support Web Pages:
Windows Server 2019 5034127
Windows Server 2016 5034119

◆Microsoft Office
Maximum severity:
important

Biggest impact:
Enables remote code execution

Related Knowledge Base or Support Web Pages:
https://learn.microsoft.com/officeupdates

◆Microsoft SharePoint
Maximum severity:
important

Biggest impact:
Enables remote code execution

Related Knowledge Base or Support Web Pages:
https://learn.microsoft.com/officeupdates/sharepoint-updates

◆Microsoft .NET Framework
Maximum severity:
important

Biggest impact:
Bypassing security features

Related Knowledge Base or Support Web Pages:
https://learn.microsoft.com/dotnet/framework

◆Microsoft .NET
Maximum severity:
important

Biggest impact:
Bypassing security features

Related Knowledge Base or Support Web Pages:
https://learn.microsoft.com/dotnet

◆Microsoft Visual Studio
Maximum severity:
important

Biggest impact:
Elevation of privilege

Related Knowledge Base or Support Web Pages:
https://learn.microsoft.com/visualstudio

◆Microsoft SQL Server
Maximum severity:
important

Biggest impact:
Bypassing security features

Related Knowledge Base or Support Web Pages:
https://learn.microsoft.com/sql

◆Microsoft Azure
Maximum severity:
important

Biggest impact:
Enables remote code execution

Related Knowledge Base or Support Web Pages:
https://learn.microsoft.com/azure

Windows Update will be released on the second Tuesday of every month, American time, and the next update is scheduled to be released on Wednesday, February 14, 2024, Japan time.