The Windows security updates for March 2025 are now available

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Microsoft released security updates and other updates for its Windows operating system on Tuesday. The security updates fix critical issues in every Microsoft operating system.

Our overview of the security updates provides home users and system administrators with useful links and information to deal with the released updates.

It highlights major issues in each operating system, provides links to support pages and downloads, and much more.

Microsoft Windows Security Updates: March 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: Security Updates Windows March 2025

Executive Summary

• Beware: The Windows 10 update may install the new Outlook app for Windows automatically.
  
• Microsoft released a total of 57 security updates for various Microsoft products and 10 security update for non-Microsoft issues (e.g. Chromium).
  • 7 of the fixed issues are 0-days. Read more about this at Bleeping Computer.
    
• Windows clients with issues:
  • Windows 10 version 1809, 21H2, 22H2
    
  • Windows 11 version 22H2, 23H2, and 24H2
    
• Windows Server clients with issues:
  • Windows Server 2008
    
  • Windows Server 2019
    
  • Windows Server 2022
    
• Windows 11, version 22H2, Home and Pro, have reached end of support. Microsoft will force upgrade devices to newer Windows versions.
  

Product overview

Each supported version of Windows and their critical vulnerabilities are listed below.

• Windows 10 version 22H2: 30 vulnerabilities, 2 critical, 28 important
  • Remote Desktop Client Remote Code Execution Vulnerability -- CVE-2025-26645
    
  • Windows Remote Desktop Services Remote Code Execution Vulnerability -- CVE-2025-24035
    
• Windows 11 version 22H2 and 23H2: 33 vulnerabilities, 3 critical, 30 important
  • same as Windows 10
    
  • Plus Windows Subsystem for Linux (WSL2) Kernel Remote Code Execution Vulnerability -- CVE-2025-24084
    
• Windows 11 version 24H2: 33 vulnerabilities, 3 critical, 30 important
  • Same as Windows 11 version 23H2.
    

Windows Server products

• Windows Server 2008 R2 (extended support only): 21 vulnerabilities: 3 critical,  18 important
  • Windows Remote Desktop Services Remote Code Execution Vulnerability -- CVE-2025-24035
    
  • Remote Desktop Client Remote Code Execution Vulnerability -- CVE-2025-26645
    
  • Windows Domain Name Service Remote Code Execution Vulnerability --  CVE-2025-24064
    
• Windows Server 2012 R2 (extended support only):  unknown
  
• Windows Server 2016: 33 vulnerabilities: 4 critical, 29 important
  • same as Server 2008 R2
    
  • Plus Windows Remote Desktop Services Remote Code Execution Vulnerability -- CVE-2025-24045
    
• Windows Server 2019: 32 vulnerabilities: 4 critical, 28 important
  • same as Server 2016
    
• Windows Server 2022: 34 vulnerabilities: 5 critical, 29 important
  • same as Server 2016
    
  • Plus Windows Subsystem for Linux (WSL2) Kernel Remote Code Execution Vulnerability -- CVE-2025-24084
    
• Windows Server 2025:  35  vulnerabilities: 5 critical, 30 important
  • same as Server 2022
    

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