October 9, 2018—KB4462941 (Security-only update)

Applies to: Windows 8.1Windows Server 2012 R2

Improvements and fixes


This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

  • 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 Graphics Component, Windows Datacenter Networking, Windows Storage and Filesystems, Windows Kernel, and Microsoft JET Database Engine.

For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.

Known issues in this update


Symptom Workaround

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.

Microsoft is working on a resolution and estimates a solution will be available mid-December 2018.

 

How to get this update


This update is now available for installation through WSUS.  To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

File information

For a list of the files that are provided in this update, download the file information for update 4462941