Applies ToWindows Server 2025 Datacenter: Azure Edition

Release Date:

12/10/2024

Version:

OS Build 26100.2528

Note: Windows Server 2025 Datacenter & Standard machines that are connected to Azure Arc, now have the option to subscribe to hotpatch servicing. Hotpatch provides the ability to install OS security updates without restarting your machine.

Improvements and fixes

This security update includes quality improvements. Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are documenting.

  • This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

How to get this update 

Before you install this update 

Microsoft now combines the latest servicing stack update (SSU) for your operating system with the Hotpatch update. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

If you are using Windows Update, the latest SSU will be installed with this update.

Install this update

To install this update, use one of the following Windows and Microsoft release channels.

Available

Next Step

Yes

None. This update will be downloaded and installed automatically from Windows Update.

Available

Next Step

No

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Available

Next Step

No

See the options above.

File information

For a list of the files that are in this update, download the file information for cumulative update 5048794.

For a list of the files that are in the servicing stack update, download the file information for the SSU (KB5049685) - version 26100.2592.

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