April 10, 2018—KB4093109 (OS Build 10586.1540)
OS Build 10586.1540
This is the final update available for Windows 10 Enterprise and Windows 10 Education editions as part of the Windows 10, version 1511 additional servicing offer.
IMPORTANT: Additional servicing for version 1511 will not extend beyond this update. To continue receiving quality updates, Microsoft recommends updating to the latest version of Windows 10.
Improvements and fixes
This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
Addresses additional issues with updated time zone information.
Addresses an issue that, in some instances, prevents Internet Explorer from identifying custom controls.
Security updates to Internet Explorer, Microsoft scripting engine, Windows RDP, Windows kernel, Windows IIS, Windows datacenter networking, Microsoft scripting engine, Microsoft Edge, Windows Hyper-V , and Windows virtualization and kernel.
If you installed earlier updates, only the new fixes in this package will be downloaded and installed on your device.
For more information about the resolved security vulnerabilities, see the Security Update Guide.
Windows Update Improvements
Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 Feature Update based on device compatibility and Windows Update for Business deferral policy. This does not apply to long-term servicing editions.
Known issues in this update
After installing the March 13, 2018 or later Cumulative Update for Windows 10 version 1511, only the latest Windows 10 feature update is returned as applicable. This prevents the deployment of previously released feature updates using ConfigMgr (current branch) and Windows 10 servicing plans.
Microsoft recommends that you update to the latest, supported version of Windows 10, the Fall Creators Update (version 1709).
How to get this update
This update will be downloaded and installed automatically from Windows Update. To get the standalone package for this update, go to the Microsoft Update Catalog website.
For a list of the files that are provided in this update, download the file information for cumulative update 4093109.