Quote:This is the Microsoft Windows security updates overview for February 2024. Microsoft patched 73 different security vulnerabilities in its products and six non-Microsoft vulnerabilities on today's Patch Day.

Our overview is a helpful resource for administrators and home users alike. It lists all relevant security updates as well as known issues. You get information on each of the updates and links to official Microsoft support pages.

You also find an Excel spreadsheet with the list of released updates and download instructions below among other information.

Check out the January 2024 Security update overview here.

Microsoft Windows Security Updates: February 2024

You may download this Excel spreadsheet for a list of released security updates and information about each of the updates. Click on the following link to download the Excel file, contained in a ZIP, to the local system: Microsoft Windows ecurity updates February 2024

Executive Summary

• Microsoft patched a critical remote code execution vulnerability in all client and server versions of Windows.
  
• Windows clients with issues are: Windows 10 version 21H2 and 22H2
  
• Windows 11 has no known issues according to Microsoft.
  
• Windows Server clients: Windows Server 2008 and 2008 R2, Windows Server 2022
  

Product overview

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

• Windows 10 version 22H2: 38 vulnerabilities, 1 critical and 37 important.
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2024-21357
    
• Windows 11 version 22H2:  41 vulnerabilities, 2 critical. 38 important, and 1 moderate
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2024-21357
    
  • Windows Hyper-V Denial of Service Vulnerability -- CVE-2024-20684
    
• Windows 11 version 23H2:  41 vulnerabilities, 2 critical. 38 important, and 1 moderate
  • same as Windows 11 version 22H2
    

Windows Server products

• Windows Server 2008 R2 (extended support only): 27 vulnerabilities: 1 critical and 26 important
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2024-21357
    
• Windows Server 2012 R2 (extended support only):  vulnerabilities:  critical and  important
  • no information
    
• Windows Server 2016: 34 vulnerabilities: 1 critical and 33 important
  • same critical vulnerability fixes as Windows Server 2008 R2
    
• Windows Server 2019: 39 vulnerabilities: 1 critical and 38 important
  • same critical vulnerability fixes as Windows Server 2008 R2
    
•  Windows Server 2022: 36 vulnerabilities: 2 critical, 33 important, and 1 moderate
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2024-21357
    
  • Windows Hyper-V Denial of Service Vulnerability -- CVE-2024-20684
    

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