February 11, 2020—KB4537762 (OS Build 17134.1304)

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Release Date:

Feb 11, 2020

Version:

OS Build 17134.1304

Windows 10, version 1803 (the April 2018 Update) Home and Pro editions have reached end of service. For Windows 10 devices that are at, or within several months of reaching end of service, Windows Update will automatically initiate a feature update (with users having the ability to choose a convenient time). This keeps those devices supported and receiving the monthly updates that are critical to device security and ecosystem health.

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Highlights

Updates to improve security when using Internet Explorer and Microsoft Edge.
Updates for storing and managing files.
Updates to improve security when using external devices (such as game controllers, printers, and web cameras) and input devices such as a mouse, keyboard, or stylus.
Updates to improve security when using Microsoft Office products

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Improvements and fixes

This security update includes quality improvements. Key changes include:

Security updates to Microsoft Edge, Internet Explorer, Microsoft Graphics Component, Windows Input and Composition, Windows Media, Windows Shell, the Microsoft Scripting Engine, Windows Fundamentals, Windows Management, Windows Cryptography, Windows Hyper-V, Windows Core Networking, Windows Peripherals, Windows Network Security and Containers, Windows Storage and Filesystems, and Windows Server.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

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

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Known issues in this update

Symptom

Workaround

Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.

Do one of the following:

Perform the operation from a process that has administrator privilege.
Perform the operation from a node that doesn’t have CSV ownership.

Microsoft is working on a resolution and will provide an update in an upcoming release.

You might encounter issues when using Windows Server container images for this update.

For more information on this issue, please see KB4542617.

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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 cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU 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 (KB4523203) 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

Release Channel	Available	Next Step
Windows Update and Microsoft Update	Yes	None. This update will be downloaded and installed automatically from Windows Update.
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 10 Classification: Security Updates