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This security update for Windows 10 Version 1511 and Windows Server 2016 Technical Preview 4 includes functionality improvements and fixes, and it resolves the following vulnerabilities in Windows:

  • 3142015 MS16-023: Cumulative Security Update for Internet Explorer: March 8, 2016

  • 3142019 MS16-024: Cumulative security update for Microsoft Edge: March 8, 2016

  • 3143148 MS16-026: Security update for graphic fonts to address remote code execution: March 8, 2016

  • 3143146 MS16-027: Security update for Windows media to address remote code execution: March 8, 2016

  • 3143081 MS16-028: Security update for Microsoft Windows PDF Library to address remote code execution: March 8, 2016

  • 3143136 MS16-030: Security update for Windows OLE to address remote code execution: March 8, 2016

  • 3143141 MS16-032: Security update for Secondary Logon to address elevation of privilege: March 8, 2016

  • 3143142 MS16-033: Security update for Windows USB mass storage class driver to address elevation of privilege: March 8, 2016

  • 3143145 MS16-034: Security update for Windows kernel-mode drivers to address elevation of privilege: March 8, 2016

  • 3141780 MS16-035: Security update for the .NET Framework to address security feature bypass

Windows 10 and Windows Server 2016 updates are cumulative. Therefore, this package contains all previously released fixes.

If you have installed previous updates, only the new fixes that are contained in this package will be downloaded and installed to your computer. If you are installing a Windows 10 update package for the first time, the package for the x86 version is 327 MB and the package for the x64 version is 573 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 may be prompted to restart the computer after you apply this update.

Update replacement information

This update replaces the previously released update 3140743.

File Information

For a list of the files that are provided in this cumulative update, download the file information for cumulative update 3140768.


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

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