December 11, 2018—KB4471318 (Monthly Rollup)

**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

1. To locate the network device, launch devmgmt.msc. It may appear under Other Devices.
2. To automatically rediscover the NIC and install drivers, select Scan for Hardware Changes from theAction menu.
   * Alternatively, install the drivers for the network device by right-clicking the device and choosing Update. Then chooseSearch automatically for updated driver software orBrowse my computer for driver software.
   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 updateMicrosoft 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.If you are using Windows Update, the latest SSU (KB3177467) will be offered to you automatically. To get the stand-alone package for the latest SSU, go to the Microsoft Update Catalog.Install this updateThis 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.File informationFor a list of the files that are provided in this update, download the file information for update 4471318.