Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.

January 14, 2020—KB4534312 (Security-only update)

View products that this article applies to.

Release Date:

Jan 14, 2020

Version:

Security-only update

IMPORTANT Verify that you have installed the required updates listed in the How to get this update section before installing this update.

IMPORTANT Customers who have purchased the Extended Security Update (ESU) for on-premises versions of some operating systems must follow specific procedures to continue receiving security updates after extended support ends on January 14, 2020. For more information, see KB4522133

↑ Back to the top

Improvements and fixes

This security update includes quality improvements. Key changes include:

Security updates to Windows Input and Composition and Windows Storage and Filesystems.

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

↑ Back to the top

Known issues in this update

Microsoft is not currently aware of any issues with this update.

↑ Back to the top

How to get this update

Before installing this update

Prerequisite:

You must install the updates listed below and restart your device before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.

The April 9, 2019 servicing stack update (SSU) (KB4493730). To get the standalone package for this SSU, search for it in the Microsoft Update Catalog.
The latest SHA-2 update (KB4474419) released October 8, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. For more information on SHA-2 updates, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS.

After installing the items above, Microsoft strongly recommends that you install the latest SSU (KB4536953). If you are using Windows Update, the latest SSU will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

Install this update

Release Channel	Available	Next Step
Windows Update and Microsoft Update	No	See the other options below.
Microsoft Update Catalog	Yes	To get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)	Yes	This update will automatically sync with WSUS if you configure Products and Classifications as follows: Product: Windows Server 2008 Service Pack 2 Classification: Security Updates