December 14, 2021—Hotpatch KB5008286 (OS Build 20348.410)

Improvements and fixes (public preview)

Key changes include:

Addresses a known issue that might prevent Microsoft Defender for Endpoint from starting or running on devices that have a Windows Server Core installation.

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 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.

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

During public preview, file information will not be available.