Quote:Microsoft released security updates for all supported versions of its Windows operating system and other company products on the March 2024 Patch Day.

This overview provides home users and administrators with information on the released updates. It contains information about each of the released updates, a list of confirmed issues by Microsoft, possible workarounds, links to official resources, and more.

Additionally, you find download links to download the updates manually, instructions on updating systems immediately, and much more below.
Check out the February 2024 Security update overview here.

Microsoft Windows Security Updates: March 2024



Here is an Excel spreadsheet with a list of security updates that Microsoft released. It contains information about each of the updates. Download the zip file to the local system and extract it to open it in Excel or a compatible spreadsheet application: Windows security updates March 2024

Executive Summary

• Microsoft released security patches for 65 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
  

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

• Windows 10 version 22H2: 36 vulnerabilities, 2 critical and 34 important.
  • Windows Hyper-V Remote Code Execution Vulnerability New -- CVE-2024-21407
    
  • Windows Hyper-V Denial of Service Vulnerability New -- CVE-2024-21408
    
• Windows 11 version 22H2:  39 vulnerabilities, 2 critical and 37 important
  • Same as Windows 10 version 22H2.
    
• Windows 11 version 23H2:  39 vulnerabilities, 2 critical and 37 important
  • Same as Windows 10 version 22H2.
    

Windows Server products

• Windows Server 2008 R2 (extended support only): 21 vulnerabilities: 0 critical and 27 important
  
• Windows Server 2012 R2 (extended support only):  vulnerabilities:  critical and  important
  • unknown
    
• Windows Server 2016: 31 vulnerabilities: 2 critical and 29 important
  • Windows Hyper-V Remote Code Execution Vulnerability New -- CVE-2024-21407
    
  • Windows Hyper-V Denial of Service Vulnerability New -- CVE-2024-21408
    
• Windows Server 2019: 33 vulnerabilities: 2 critical and 31 important
  • same as Windows Server 2016.
    
•  Windows Server 2022: 37 vulnerabilities: 2 critical and 35 important
  • same as Windows Server 2016.
    

...