Quote:Same procedure as every year. Microsoft released the first batch of security updates of 2025 a moment ago. Security updates are available for all supported client and server versions of Windows and also other company products, including Microsoft Office.

Our overview of the monthly security updates provides users and system administrators with information and actionable advice. It pulls information from various sources, including several official Microsoft websites and official release notes.

You find, among other things, a list of known issues, direct download links, the list of major changes, a security assessment, and more in the paragraphs that follow.

Microsoft Windows Security Updates: January 2025

You may download the following Excel spreadsheet to get a list of released updates. Click on the following link to download the archive to the local device:  Windows Security Updates January 2025 Excel

Executive Summary

• Microsoft released a total of 159 security updates for various Microsoft products and 2 security update for non-Microsoft issues (e.g. Chromium).
  
• All clients affected by a Citrix software issue that may prevent the installation of the January 2025 security updates.
  
• Windows clients with issues are:
  • Windows 10 version 22H2
    
  • Windows 11 version 22H2, 23H2, and 24H2
    
• Windows Server clients with issues:
  • Windows Server 2008
    
  • Windows Server 2022
    
• Windows 11, version 22H2, Home and Pro, have reached end of support. Microsoft will force upgrade devices to newer Windows versions.
  

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