Note: Because of minimal operations during the holidays and upcoming Western new year, there won't be any preview releases for the month of December 2018. Monthly servicing will resume with the January 2019 security releases.
Improvements and fixes
This security update includes improvements and fixes that were a part of update KB4467108 (released November 27, 2018) and addresses the following issues:
Addresses an issue that may prevent the use of the Seek Bar in Windows Media Player when playing specific files. This issue does not affect normal playback.
Security updates to Microsoft Graphics Component, Windows Storage and Filesystems, Windows Wireless Networking, Windows Kernel, and Internet Explorer.
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
Known issues in this update
After you apply this update, the network interface controller may stop working on some client software configurations. This occurs because of an issue related to a missing file, oem<number>.inf. The exact problematic configurations are currently unknown.
After installing this update, the Event Viewer may not show some event descriptions for network interface cards (NIC).
This issue is resolved in KB4489878.
How to get this update
Before installing this update
Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes.
Install 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 4471318.