August 11, 2020—KB4571689 (OS Build 15063.2467)

Current status of Windows 10, version 1703 Windows 10, version 1703 has reached end of service for all editions. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10 . Surface Hub devices remain in support. Starting on November 12, 2019, updates for Windows 10, version 1703 will be available only for Surface Hub devices. Update information and Surface Hub known issues will be listed on this page.For information about servicing timelines, see the Windows lifecycle fact sheet.

IMPORTANT Starting in July 2020, all Windows Updates will disable the RemoteFX vGPU feature because of a security vulnerability. For more information about the vulnerability, seeCVE-2020-1036 and KB4570006. After you install this update, attempts to start virtual machines (VM) that have RemoteFX vGPU enabled will fail, and messages such as the following will appear:If you re-enable RemoteFX vGPU, a message similar to the following will appear:

• “The virtual machine cannot be started because all the RemoteFX-capable GPUs are disabled in Hyper-V Manager.”

• “The virtual machine cannot be started because the server has insufficient GPU resources.”

• "We no longer support the RemoteFX 3D video adapter. If you are still using this adapter, you may become vulnerable to security risk. Learn more (https://go.microsoft.com/fwlink/?linkid=2131976)”

Highlights

• Updates to improve security when using Internet Explorer and Microsoft Edge Legacy.
• Updates to improve security when Windows performs basic operations.
• Updates for storing and managing files.

Improvements and fixes

This security update includes quality improvements. Key changes include:

• Addresses an issue that causes certain applications to stop responding when under load if they rely on the JScript Scripting Engine.
• Addresses an issue that prevents you from installing some .msi apps. This occurs when a device is managed by a Group Policy that redirects the AppData folder to a network folder.
• Addresses an issue in Universal Windows Platform (UWP) apps that allows single sign-on authentication when an app does not have the Enterprise Authentication capability. With the release of CVE-2020-1509, UWP applications might begin prompting the user for credentials.
• Security updates to Internet Explorer, the Microsoft Scripting Engine, Windows Graphics, Windows Media, Windows Shell, the Windows Wallet Service, Microsoft Edge Legacy, Windows Cloud Infrastructure, Windows AI Platform, Windows Fundamentals, Windows Kernel, Windows Core Networking, Windows Storage and Filesystems, Windows Hybrid Storage Services, and the Microsoft JET Database Engine.

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.

Windows Update Improvements Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn’t apply to long-term servicing editions.

Known issues in this update

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

How to get this update