Table of contents

Release Date:



OS Build 20348.344

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.

How to get this update 

Before installing this update 

Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update LCU. 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.

Install this update

Release Channel


Next Step

Windows Update


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)


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

File information

During public preview, file information will not be available.

To get more information about release cadence, go to Public Preview - Release notes for Hotpatch in Azure Automanage for Windows Server 2022.

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