Microsoft Windows Security Updates for August 2025 are now available

Welcome to the overview of the Microsoft Windows August 2025 Patch Day. The overview acts as a guidance for home users and system administrators, covering information about the released updates, severity of issues, known issues as reported by Microsoft, and links to resources and downloads.

Microsoft Windows Security Updates: August 2025

You may download the following Excel spreadsheet to get a list of released updates. Click on the following link to download the archive to the local device:  Windows Security Updates August 2025

Executive Summary

• Microsoft released a total of 111 security updates for various Microsoft products and 8 security update for non-Microsoft issues (e.g. Chromium).
• Windows clients with issues:
  • Windows 10: none
  • Windows 11: none
• Windows Server clients with issues:
  • Windows Server 2008

Product overview

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

• Windows 10 version 22H2: 45 vulnerabilities, 3 critical, 42 important
  • GDI+ Remote Code Execution Vulnerability -- CVE-2025-53766
  • Windows Hyper-V Remote Code Execution Vulnerability -- CVE-2025-48807
  • Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability -- CVE-2025-50177
• Windows 11 version 22H2 and 23H2: 48 vulnerabilities, 5 critical, 43 important
  • Windows NTLM Elevation of Privilege Vulnerability -- CVE-2025-53778
  • GDI+ Remote Code Execution Vulnerability -- CVE-2025-53766
  • Windows Hyper-V Remote Code Execution Vulnerability -- CVE-2025-48807
  • DirectX Graphics Kernel Remote Code Execution Vulnerability -- CVE-2025-50176
  • Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability -- CVE-2025-50177
• Windows 11 version 24H2: 50 vulnerabilities, 6 critical, 44 important
  • GDI+ Remote Code Execution Vulnerability -- CVE-2025-53766
  • Windows Hyper-V Remote Code Execution Vulnerability -- CVE-2025-48807
  • Windows NTLM Elevation of Privilege Vulnerability -- CVE-2025-53778
  • Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability -- CVE-2025-50177
  • DirectX Graphics Kernel Remote Code Execution Vulnerability -- CVE-2025-50176
  • Windows Graphics Component Remote Code Execution Vulnerability -- CVE-2025-50165

Windows Server products

• Windows Server 2008 R2 (extended support only): 39 vulnerabilities: 3 critical,  36 important
  • Windows NTLM Elevation of Privilege Vulnerability -- CVE-2025-53778
  • GDI+ Remote Code Execution Vulnerability -- CVE-2025-53766
  • Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability -- CVE-2025-50177
• Windows Server 2016: 51 vulnerabilities: 4 critical, 47 important
  • GDI+ Remote Code Execution Vulnerability -- CVE-2025-53766
  • Windows NTLM Elevation of Privilege Vulnerability -- CVE-2025-53778
  • Windows Hyper-V Remote Code Execution Vulnerability -- CVE-2025-48807
  • Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability -- CVE-2025-50177
• Windows Server 2019: 57 vulnerabilities: 4 critical, 55 important
  • Same as Windows Server 2016
• Windows Server 2022: 59 vulnerabilities: 5 critical, 54 important
  • Windows NTLM Elevation of Privilege Vulnerability -- CVE-2025-53778
  • GDI+ Remote Code Execution Vulnerability -- CVE-2025-53766
  • Windows Hyper-V Remote Code Execution Vulnerability -- CVE-2025-48807
  • DirectX Graphics Kernel Remote Code Execution Vulnerability -- CVE-2025-50176
  • Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability -- CVE-2025-50177
• Windows Server 2025:  64  vulnerabilities: 6 critical, 58 important
  • GDI+ Remote Code Execution Vulnerability -- CVE-2025-53766
  • Windows Hyper-V Remote Code Execution Vulnerability -- CVE-2025-48807
  • Windows NTLM Elevation of Privilege Vulnerability -- CVE-2025-53778
  • Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability -- CVE-2025-50177
  • DirectX Graphics Kernel Remote Code Execution Vulnerability -- CVE-2025-50176
  • Windows Graphics Component Remote Code Execution Vulnerability -- CVE-2025-50165

Windows Security Updates

Windows 10 version 22H2

• Support Page: KB5063878

Updates and improvements:

• Security updates.
• This update addresses an issue that caused delays during sign-in on new devices.
• Plus the changes of the optional security update listed here.

Windows 11 version 22H2 / 23H2

• Support Page: KB5063875 

Updates and improvements:

• Security improvements.
• Plus everything listed on this optional update page.

Windows 11 version 24H2

• Support page: KB5063878 

Updates and improvements:

• Security updates.
• This update addresses an issue that caused delays during sign-in on new devices.
• Plus everything listed on this optional update page.

Windows Security updates

Non-Security updates

Known Issues

None!

Security advisories and updates

• ADV 990001 -- Latest Servicing Stack Updates

Microsoft Office Updates

You find Office update information here.

How to download and install the August 2025 security updates

Here is how you install the update immediately on a system:

1. Open the Start menu, type Windows Update, and select the result.
2. Activate the "check for updates" button. This runs a manual check for updates.
3. Activate the "download & install all" button, if the update is not downloaded automatically.

Direct update downloads

Below are resource pages with direct download links, if you prefer to download the updates to install them manually.

Windows 10 version 22H2

• KB5063878  -- 2025-08 Cumulative Update for Windows 10 Version 22H2

Windows 11 version 22H2

• KB5063875 -- 2025-08 Cumulative Update for Windows 11 version 22H2

Windows 11 version 23H2

• KB5063875 -- 2025-08 Cumulative Update for Windows 11 version 23H2

Windows 11 version 24H2

• KB5063878 -- 2025-08 Cumulative Update for Windows 11 version 24H2

Additional resources

• July 2025 Security Updates release notes
• List of software updates for Microsoft products
• List of the latest Windows Updates and Services Packs
• Security Updates Guide
• Microsoft Update Catalog site
• Our in-depth Windows update guide
• How to install optional updates on Windows 10
• Windows 11 24H2 Update History
• Windows 11 23H2 Update History
• Windows 10 Update History

Thank you for being a Ghacks reader. The post Microsoft Windows Security Updates for August 2025 are now available appeared first on gHacks Technology News.