March 8, 2022—Hotpatch KB5011580 (OS Build 20348.587)

Improvements and fixes

This update contains 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.

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 or Windows Server Update Services (WSUS), the latest SSU will be installed with this update.

Release Channel	Available	Next Step
Windows Update	Yes	None. This update will be downloaded and installed automatically from Windows Update.
Microsoft Update Catalog	No	To get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)	Yes	This update will automatically sync with WSUS if you configure Products and Classifications as follows: Product: Windows Server 2022 Datacenter: Azure Edition Hotpatch Classification: Security Updates

Release Channel

Available

Next Step

Windows Update

Yes

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

Microsoft Update Catalog

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

Windows Server Update Services (WSUS)

Yes

This update will automatically sync with WSUS if you configure Products and Classifications as follows:

Product: Windows Server 2022 Datacenter: Azure Edition Hotpatch

Classification: Security Updates

For a list of the files that are provided in this update, download the file information for cumulative update 5011580 .

For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 20348.587.