November 12, 2019—KB4525253 (Security-only update)

Improvements and fixes

This security update includes quality improvements. Key changes include:

• Provides protections against the Intel® Processor Machine Check Error vulnerability (CVE-2018-12207). Use the registry setting as described in the Guidance KB article. (This registry setting is disabled by default.)

• Provides protections against the Intel® Transactional Synchronization Extensions (Intel® TSX) Transaction Asynchronous Abort vulnerability (CVE-2019-11135). Use the registry settings as described in the Windows Server article. (These registry settings are disabled by default for Windows Server OS editions.)

• Security updates to the Microsoft Graphics Component, Windows Input and Composition, Windows Cryptography, Windows Virtualization, Windows Kernel, Windows Datacenter Networking, 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

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. 

If you are using Windows Update, the latest SSU (KB4523208) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog. 

Install this update

File information

For a list of the files that are provided in this update, download the file information for update 4525253.