Microsoft Windows Security Updates February 2023 overview

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Microsoft released security updates for all supported client and server versions of its Windows operating system on February 14, 2023.



Our monthly overview of the Microsoft Patch Day provides home users and system administrators alike with detailed information and resource links. Our guide lists all released updates, links to support pages and direct downloads, highlights new, existing and fixed known issues, and much more.

Check out the January 2023 Windows Security updates overview here.

Microsoft Windows Security Updates: February 2023Here is a an Excel spreadsheet that lists the security updates that Microsoft released in February 2023. Just click on the link to download it, as an archive, to your device:  windows-security-updates-february-2023

Executive Summary

• This is the first Patch Tuesday without Windows 7 and Windows 8.1 security updates. Both operating systems are no longer supported.
  
• Microsoft released updates for the following company products besides Windows: .Net and Visual Studio, .NET Framework, 3D Builder, Microsoft Office, HoloLens, Azure, Microsoft Edge and others.
  
• Internet Explorer is removed with a Microsoft Edge update today.
  
• Windows client systems with known issues: Windows 10 version 20H2, 21H2 and 22H2, Windows 11 version 22H2.
  
• Windows server systems with known issues: Windows Server 2008, 2008 R2, Windows Server 2012, 2012 R2, Windows Server 2019.
  

Operating System Distribution

• Windows 10 version 21H2 and 22H2: 34  vulnerabilities, 3 critical and 31 important
  • Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability -- CVE-2023-21692
    
  • Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability -- CVE-2023-21690
    
  • Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability -- CVE-2023-21689
    
• Windows 11 and Windows 11 version 22H2:  31 vulnerabilities, 3 critical and 28 important
  • Same as Windows 10.
    

Windows Server products

• Windows Server 2008 R2 (extended support only): 33 vulnerabilities: 3 critical and 30 important
  • Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability -- CVE-2023-21692
    
  • Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability -- CVE-2023-21690
    
  • Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability -- CVE-2023-21689
    
• Windows Server 2012 R2: 33 vulnerabilities: 3 critical and 30 important
  • same as Server 2008 R2.
    
• Windows Server 2016: 33 vulnerabilities: 3 critical and 30 important
  • same as Server 2008 R2.
    
• Windows Server 2019: 34 vulnerabilities: 3 critical and 31 important
  • same as Server 2008 R2.
    
• Windows Server 2022:  33 vulnerabilities: 3 critical and 30 important
  • same as Server 2008 R2.
    

...

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