Keyboard events aren't received from an external process when you use the addEventListener method in Internet Explorer 11 Edge mode

Applies to: Internet Explorer 11

Symptoms


The attachEvent method is no longer supported in the Edge mode of Internet Explorer 11. Therefore, the addEventListener method must be used instead. However, when you use this method, the external created event is no longer received by the event listener.

Resolution


To fix this issue, install the most recent cumulative security update for Internet Explorer. To do this, go to Microsoft Update. Additionally, see the technical information about the most recent cumulative security update for Internet Explorer.

Note This update was first included in the MS17-006: Description of the security update for Internet Explorer: March 14, 2017.

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References


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