Update to expand the functionality of out-of-date ActiveX control blocking in Internet Explorer when UAC is disabled

Applies To

Internet Explorer 11 Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows RT 8.1 Windows Server 2012 R2 Datacenter Windows Server 2012 R2 Essentials Windows Server 2012 R2 Foundation Windows Server 2012 R2 Standard Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Internet Explorer 10 Windows 8 Enterprise Windows 8 Pro Windows 8 Windows RT Windows Server 2012 Datacenter Windows Server 2012 Datacenter Windows Server 2012 Essentials Windows Server 2012 Foundation Windows Server 2012 Foundation Windows Server 2012 Standard Windows Server 2012 Standard Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Internet Explorer 9 Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Windows Vista Service Pack 2 Windows Server 2008 Service Pack 2

About this update

This update expands the functionality of the out-of-date ActiveX control blocking feature in Internet Explorer 11, Internet Explorer 10, and Windows Internet Explorer 9.

Update information

To enable this update, 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 March cumulative security update for Internet Explorer (MS15-018).

More information

Currently, if User Account Control (UAC) is disabled on a computer, the out-of-date ActiveX control blocking feature does not function as expected. This update enables the functionality of this feature for configurations when UAC is disabled. For more information, see Update to block out-of-date ActiveX controls in Internet Explorer and disabling User Account Control (UAC) on Windows Server.