Improvements and fixes
This security update includes improvements and fixes that were a part of update KB4458315 (released September 20, 2018) and addresses the following issues:
Addresses an issue in which all guest virtual machines running Unicast NLB fail to respond to NLB requests after the virtual machines restart.
Security updates to Windows Media Player, Microsoft Office Graphics, Microsoft Graphics Component, Windows Storage and Filesystems, and the Microsoft JET Database Engine.
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
Known issues in this update
After installing this update, users may not be able to use the Seek Bar in Windows Media Player when playing specific files. This issue does not affect normal playback.
This issue is resolved in KB4471325.
How to get this update
This update will be downloaded and installed automatically from Windows Update. To get the stand-alone 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 update 4463097.