Windows 10: The last Windows security updates of 2025 are here

It is December 2025 already and Microsoft has released the last security updates of the year for its Windows operating system just a moment ago. The updates are available for all supported versions of Windows, including Windows 10, which is on life-support already with extended support releases.

Our weekly overview provides home users and system administrators with actionable information. While it depends on Microsoft to a large margin, it gives a quick overview of the updates that Microsoft released, the severity of security issues and more. It also links to support pages and downloads, and lists all confirmed issues by Microsoft.

As announced last month already, Windows 11, version 23H2 Home and Pro editions do not receive updates anymore. Users should be able to update to a newer version of Windows 11 to continue receiving updates.

Microsoft Windows Security Updates: December 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 December 2025

Executive Summary

• Microsoft released a total of 57 security updates for various Microsoft products and 13 security update for non-Microsoft issues (e.g. Chromium).
• No critical issues for Windows client and server systems according to Microsoft.
• Windows clients with issues:
  • Windows 10: none
  • Windows 11: 24H2 and 25H2
• Windows Server clients with issues:
  • Windows Server 2008, 23H2, 2022, 2025

Product overview


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

• Windows 10 version 22H2: 31 vulnerabilities, 0 critical, 31 important
  • No critical vulnerabilities.
• Windows 11 version 24H2: 36 vulnerabilities, 0 critical, 36 important
  • No critical vulnerabilities.
• Windows 11 version 25H2: 36 vulnerabilities, 0 critical, 36 important
  • No critical vulnerabilities.

Windows Server products

• Windows Server 2008 R2 (extended support only): 11 vulnerabilities: 0 critical, 11 important
  • No critical vulnerabilities.
• Windows Server 2016: 18 vulnerabilities: 0 critical, 18 important
  • No critical vulnerabilities.
• Windows Server 2019: 29 vulnerabilities: 0 critical, 29 important
  • No critical vulnerabilities.
• Windows Server 2022: 32 vulnerabilities: 0 critical, 32 important
  • No critical vulnerabilities.
• Windows Server 2025: 36 vulnerabilities: 0 critical, 36 important
  • No critical vulnerabilities.

Windows Security Updates


Windows 10 version 22H2

• Support Page: KB5071546

Updates and improvements:

• [Powershell] The Invoke-WebRequest command now includes a confirmation prompt with a security warning of a script execution risk. This prevents script execution from web content without user authorization.
• Security updates.

Windows 11 version 24H2 and 25H2

• Support page: KB5072033

Updates and improvements:

• Fixed: This update addresses an issue where Ask Copilot didn’t activate the Click to Do window as expected
• Fixed: This update addresses an issue where File Explorer briefly flashes white when you navigate between pages.
• Fixed: This update fixes an issue where external virtual switches lose their physical network adapter (NIC) bindings after a host reboot.
• [Powershell] The Invoke-WebRequest command now includes a confirmation prompt with a security warning of a script execution risk. This prevents script execution from web content without user authorization.
• Security updates.

Known Issues


Windows 11 version 24H2 and 25H2

• [NEW] Password buttons may be missing or invisible in the lock screen sign-in options.
  • Workaround: The issue is mitigated using Known Issues Rollback. Users can hover over the invisible password button to click and activate it.

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 December 2025 security updates


Microsoft distributes security updates automatically to consumer devices and non-managed devices by default. It make take hours or days before they are offered on a particular system, but there is a workaround for getting them right away.

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.

I suggest you create a system backup before installing any updates for Windows.

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

• 
  KB5071546 -- 2025-12 Cumulative Update for Windows 10 Version 22H2
  

Windows 11 version 24H2 and 25H2

• 
  KB5072033 -- 2025-12 Cumulative Update for Windows 11 version 24H2 and 25H2
  

Additional resources

• December 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 25H2 Update History
• Windows 11 24H2 Update History
• Windows 10 Update History

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Windows 7 Ultimate (64) Security updates not installing.

I have been having problems in installing the updates that I have listed below. For each update I attempted to install them individually but they would not install. I also downloaded the SURT 6.1 KB947821 v27. The problem has been going on now for about 2 months. (whenever the issue with the updates comes to mind I am never near my pc). Thank you in advance.


Cumulative Security Update for Internet Explorer 9 for Windows 7 for x64-based Systems (KB2838727)
Security Update for Windows 7 for x64-based Systems (KB2757638)
Security Update for Windows 7 for x64-based Systems (KB2785220)
Security Update for Windows 7 for x64-based Systems (KB2790113)
Security Update for Windows 7 for x64-based Systems (KB2813170)
Security Update for Windows 7 for x64-based Systems (KB2813430)
Security Update for Windows 7 for x64-based Systems (KB2839894)
Update for Windows 7 for x64-based Systems (KB2726535)
Update for Windows 7 for x64-based Systems (KB2773072)
Update for Windows 7 for x64-based Systems (KB2786400)
Update for Windows 7 for x64-based Systems (KB2798162)
Update for Windows 7 for x64-based Systems (KB2808679)

 

Win10: windows update stuck at never ending loop ?

When in win10:

• Update&security -> Windows update -> Finding update... .... .... ....

Planning to download the latest Win10.ISO (vers.1803) and manually update:
- Then wait that my ordered new SSD arrives and clone the old HDD to it.

 

Windows 10 Update

Well just noticed a pretty large one pop up coming in at 914MB, seems it makes some pretty serous updates.

KB3172985
Cumulative update for Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4: July 12, 2016 - Microsoft Support

This security update includes improvements and fixes in the functionality of Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4. It also resolves the following vulnerabilities in Windows:

• 3175677 MS16-094: Security update for secure boot: July 12, 2016
• 3174060 MS16-093: Security update for Adobe Flash Player: July 12, 2016
• 3171910 MS16-092: Security update for Windows Kernel: July 12, 2016
• 3170048 MS16-091: Security update for .Net Framework: July 12, 2016
• 3171481 MS16-090: Security update for Kernel Mode Drivers: July 12, 2016
• 3170050 MS16-089: Security update for Windows secure kernel mode: July 12, 2016
• 3170005 MS16-087: Security update for the Microsoft Print Spooler: July 12, 2016
• 3169999 MS16-085: Cumulative security update for Microsoft Edge: July 12, 2016
• 3169991 MS16-084: Cumulative security update for Internet Explorer: July 12, 2016