This security update resolves several reported vulnerabilities in Internet Explorer 11 running on Windows 7 Service Pack 1 (SP1). The most severe of these vulnerabilities could allow remote code execution if a user views a specially crafted webpage in Internet Explorer. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures.
This security update also includes improvements and fixes for Internet Explorer 11 that resolve the following issues:
Internet Explorer 11 does not start after you install the March 13, 2018 cumulative update for Internet Explorer.
Additionally, see the following article for more information about this cumulative update:
The fixes that are included in this cumulative update for Internet Explorer 4096040 are also included in the March 2018 Preview of Monthly Rollup. Installing the Preview of Monthly Rollup installs the fixes that are in this update.
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.
How to get this update
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.
You may have to restart the computer after you apply this update.
Update replacement information
This update replaces security update 4089187.
For a list of the files that are provided in this cumulative update, download the file information for cumulative update KB 4096040.
Learn about the standard terminology that Microsoft uses to describe software updates.