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:
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 383 MB and the package for the x64 version is 645 MB.
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.
This update will be downloaded and installed automatically.
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
There are no prerequisites for installing this update.
You may be prompted to restart the computer after you apply this update.
This update replaces the previously released security update 3140768.
For a list of the files that are provided in this cumulative update, download the file information for cumulative update 3147458.
Learn about the terminology that Microsoft uses to describe software updates.