The Windows June 2023 security patches are here and address these issues

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It is the second Tuesday of the month, and that means that Microsoft has released security updates for the Windows operating system, Microsoft Office and other company products.

The Windows updates are available already and will be distributed on most Home systems via Windows Updates. System administrators may expedite the installation of the security updates.

The monthly overview offers information about the released updates. System administrators and home users alike may use the resource as an overview of the Patch Day. It lists all major update releases for Windows, links to support pages and direct downloads, lists all known issues confirmed by Microsoft, and more.

Microsoft released a fix for a Kernel vulnerability, but the mitigation is not enabled. It affects Windows 10 versions 1607, 1809, 20H2, 21H2 and 22H2, Windows 11 version 21H2 and 22H2, and Windows Server 2022. Instructions on enabling the fix are available here. Administrators need to set a Registry key to enable it.  Microsoft has not provided a reason yet that explains why the fix is not enabled by default.

Click here to open the May 2023 overview of Windows updates.

Microsoft Windows Security Updates: June 2023You can download the following Excel spreadsheet. It lists the released security updates of the May 2023 Microsoft Patch Day. Click on the following link to download it: microsoft windows security updates june 2023

Executive Summary

• Microsoft released security updates for all supported client and server versions of Windows. The company has released patches for a total of 73 CVEs for Microsoft products and 22 CVEs for non-Microsoft products.
  
• Windows 10 version 21H2 has reached end of servicing today. No future updates will be released for the Home, Pro, Pro Education and Pro for Workstations editions of that version of Windows 10. Devices should be updated to Windows 10 version 22H2, which continues to be supported.
  
• The following Windows client version have known issues: Windows 10 version 21H2 and 22H2, Windows 11 version 21H2 and 22H2
  
• The following Windows server versions have known issues: Windows Server 2008, Windows Server 2008 R2, Windows Server 2019 and 2022.
  

Operating System Distribution

• Windows 10 version 21H2: 29 vulnerabilities, 4 critical and 25 important.
  • Windows Hyper-V Denial of Service Vulnerability -- CVE-2023-32013
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-32015
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-32014
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-29363
    
• Windows 10 version 22H2: 29 vulnerabilities, 4 critical and 25 important.
  • same as Windows 10 version 21H2.
    
• Windows 11 version 21H2:  29 vulnerabilities, 4 critical and 25 important
  • Windows Hyper-V Denial of Service Vulnerability -- CVE-2023-32013
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-32015
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-32014
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-29363
    
• Windows 11 version 22H2:  31 vulnerabilities, 4 critical and 27 important
  • same as Windows 11 version 21H2
    

Windows Server products

• Windows Server 2008 R2 (extended support only): 18 vulnerabilities: 3 critical and 15 important
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-32015
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-32014
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-29363
    
• Windows Server 2012 R2: 23 vulnerabilities: 3 critical and 20 important
  • same critical vulnerabilities as Windows Server 2008 R2
    
• Windows Server 2016: 28 vulnerabilities: 3 critical and 25 important.
  • same critical vulnerabilities as Windows Server 2008 R2
    
• Windows Server 2019: 32 vulnerabilities: 4 critical and 28 important.
  • Windows Hyper-V Denial of Service Vulnerability -- CVE-2023-32013
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-32015
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-32014
    
  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability -- CVE-2023-29363
    
•  Windows Server 2022:  34 vulnerabilities: 4 critical and 30 important.
  • same as Windows Server 2019
    

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