Applies ToWindows 10

Release Date:

5/11/2021

Version:

OS Build 10240.18932

EXPIRATION NOTICE

IMPORTANT As of 9/12/2023, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels.  We recommend that you update your devices to the latest security quality update. 

12/8/20 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. To view other notes and messages, see the Windows 10, version 1507 update history home page.

Highlights

  • Updates to improve Windows OLE (compound documents) security.

  • Updates security for Bluetooth drivers.

Improvements and fixes

This security update includes quality improvements. Key changes include:

  • Security updates to Windows App Platform and Frameworks, the Microsoft Scripting Engine, and the Windows Silicon Platform.

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

For more information about the resolved security vulnerabilities, please refer to the new Security Update Guide website.

Windows Update Improvements

Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.

Known issues in this update

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

How to get this update

This update is no longer available.

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