Win Update KB5085518 Hotpatch Windows 11 Enterprise LTSC 26100.7985 (24H2) and 26200.7985 (25H2) - March 23

March 23, 2026 - Hotpatch KB5085518 (OS Builds 26200.7985 and 26100.7985) Out-of-band​

Applies To: Windows 11 Enterprise LTSC 2024

This out-of-band update for Windows 11, version 25H2 and 24H2 (KB5085518) includes fixes and improvements. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates.

To view the latest updates about this release, visit the Windows release health dashboard or the update history page for Windows 11, version 25H2 and 24H2.

Improvements and fixes​

Note: Hotpatch is now generally available for Windows 11, version 25H2 and 24H2 (Arm64) devices. To get started, check the prerequisites, disable Compiled Hybrid PE (CHPE), and enroll the devices in a quality update policy with Hotpatch enabled. For more information, see prerequisites.

The following summary outlines key issues addressed by this out-of-band update. The bold text within the brackets indicates the item or area of the change.

• [Microsoft account sign in] Fixed: After you install the Windows update released on or after March 10, 2026, some users might experience an issue signing in to apps with a Microsoft account. Even when the device has a working Internet connection, a “no Internet” error appears during sign in and prevents access to Microsoft services and apps such as Microsoft Teams Free and OneDrive.
  
  Note: Only sign ins using Microsoft accounts are affected. Businesses using Microsoft Entra ID for app authentication will not experience this issue.

Note: This Hotpatch update will install and take effect without requiring you to restart the device. For more information see Hotpatch updates.

If you've already installed previous updates, your device will download and install only the new updates included in this package.

Known issues in this update​

Microsoft is not currently aware of any issues with this update.

How to get this update​

Before you install this update

Microsoft combines the latest servicing stack update (SSU) for your operating system with the Hotpatch update. For general information about SSUs, see Servicing stack updates.

If you are using Windows Update, the latest SSU installs with this update.

Prerequisites: Get your Arm64 device hotpatch ready​

Install this update

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


File information

For a list of the files provided in this update, download the file information for out-of-band update 5085518.

For a list of the files provided in the servicing stack update, download the file information for the SSU (KB5083532) - version 26100.8035.




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