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This security update includes improvements and fixes in the functionality of Windows 10 and resolves the following vulnerabilities in Windows:

  • 3155533 MS16-051: Cumulative Security update for Internet Explorer: May 10, 2016

  • 3155538 MS16-052: Cumulative Security update for Microsoft Edge: May 10, 2016

  • 3156754 MS16-055: Security update for Microsoft graphics component: May 10, 2016

  • 3156761 MS16-056: Security update for Windows Journal: May 10, 2016

  • 3156987 MS16-057: Security update for Windows shell: May 10, 2016

  • 3154846 MS16-060: Security update for Windows kernel: May 10, 2016

  • 3155520 MS16-061: Security update to RPC: May 10, 2016

  • 3158222 MS16-062: Security update for kernel mode drivers: May 10, 2016

  • 3155527 MS16-064: Security update to Schannel: May 10, 2016

  • 3156757 MS16-065: Security update for the .NET Framework: May 10, 2016

  • 3155451 MS16-066: Security update to virtual secure mode: May 10, 2016

Windows 10 updates are cumulative. Therefore, this package contains all previously released fixes.

If you have installed earlier updates, only the new fixes that are contained in this package will be downloaded and installed on your computer. If you are installing a Windows 10 update package for the first time, the package for the x86 version is 315 MB and the package for the x64 version is 664 MB.

How to get this update

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Method 1: Windows Update

This update will be downloaded and installed automatically.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.


There are no prerequisites for installing this update.

Restart information

You have to restart the computer after you apply this update.

Update replacement information

This update replaces the previously released security update 3147461.

File Information

For a list of the files that are provided in this cumulative update, download the file information for cumulative update 3156387.

File name

SHA1 hash

SHA256 hash








Learn about the terminology that Microsoft uses to describe software updates.

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