Quote:The April 2024 security updates for Windows are now available. Microsoft released the security updates for all supported Windows versions and also other company products on today's Patch Day.

Our overview helps home users and system administrators. It offers information on the released patches and links to official Microsoft resources to look up additional information. It highlights known issues, new and fixed, links to download options, and also reveals important changes in Windows client releases.

Check out the March 2024 Security update overview here.

Microsoft Windows Security Updates: April 2024



The following Excel spreadsheet lists the security updates that Microsoft released on the April 2024 Patch Tuesday. Download the zip archive to your local computer and extract it. You can view it Excel or any compatible spreadsheet application: Windows Security Updates April 2024

Executive Summary

• Microsoft released security patches for 149 unique  vulnerabilities.
  
• Windows clients with issues are: Windows 10 version 21H2 and 22H2
  
• Windows 11 has no known issues according to Microsoft.
  
• Windows Server clients with issues: Windows Server 2008
  
• The latest Windows releases include a new filter driver that prevents non-Microsoft software from setting defaults on Windows.
  

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

• Windows 10 version 22H2: 68 vulnerabilities, 0 critical and 68 important.
  
• Windows 11 version 22H2:  69 vulnerabilities, 0 critical and 69 important
  
• Windows 11 version 23H2:  69 vulnerabilities, 0 critical and 69 important
  

Windows Server products

• Windows Server 2008 R2 (extended support only): 32 vulnerabilities: 0 critical and 27 important
  
• Windows Server 2012 R2 (extended support only):  vulnerabilities:  critical and  important
  • unknown
    
• Windows Server 2016: 70 vulnerabilities: 0 critical and 70 important
  
• Windows Server 2019: 80 vulnerabilities: 0 critical and 80 important
  
•  Windows Server 2022: 83 vulnerabilities: 0 critical and 83 important
  

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