April 14, 2020 - KB4550970 (Security-only update)
Applies to: Windows 8.1, Windows Server 2012 R2, Windows Embedded 8.1 Industry Enterprise, Windows Embedded 8.1 Industry Pro
NEW
IMPORTANT We have been evaluating the public health situation, and we understand this is impacting our customers. In response to these challenges, we are prioritizing our focus on security updates. Starting in May 2020, we are pausing all optional non-security releases (C and D updates) for all the supported versions of Windows client and server products (Windows 10, version 1909 down to Windows Server 2008 SP2).
There is no change to the monthly security updates (B release – Update Tuesday); these will continue as planned to ensure business continuity and to keep our customers protected and productive.
Improvements and fixes
This security update includes quality improvements. Key changes include:
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
- Security updates to Windows Kernel, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Fundamentals, Windows Core Networking, and the Microsoft JET Database Engine.
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. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
If you are using Windows Update, the latest SSU (KB4540725) 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 4550970.
Source: https://support.microsoft.com/en-us/help/4550970
Direct download links for KB4550970 MSU file from Microsoft Update Catalog:
Download KB4550970 MSU for Windows 8.1 32-bit (x86) - 25.9 MB Download KB4550970 MSU for Windows 8.1 64-bit (x64) - 32.4 MB
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