June 9, 2020—KB4561616 (OS Build 14393.3750)

IMPORTANTWe 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 2004 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.

Reminder The additional servicing for Windows 10 Enterprise, Education, and IoT Enterprise editions ended on April 9, 2019 and doesn’t extend beyond this date. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

ReminderMarch 12, 2019 and April 9, 2019 were the last two Delta updates for Windows 10, version 1607. For Long-Term Servicing Branch (LTSB) customers, security and quality updates will continue to be available via the express and full cumulative update packages. For more information on this change please visit our blog.

Windows 10, version 1607, reached end of service on April 10, 2018. Devices running Windows 10 Home or Pro editions will no longer receive monthly security and quality updates that contain protection from the latest security threats. __To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.IMPORTANTWindows 10 Enterprise and Windows 10 Education editions will receive additional servicing at no cost until April 9, 2019. Devices on the Long-Term Servicing Channels (LTSC) will continue to receive updates until October 2026 per the Lifecycle Policy page. Windows 10 Anniversary Update (v. 1607) devices running the Intel “Clovertrail” chipset will continue to receive updates until January 2023 per the Microsoft Community blog.

Windows Server 2016 Standard edition, Nano Server installation option and Windows Server 2016 Datacenter edition, Nano Server installation option reached end of service on October 9, 2018. These editions will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

Windows 10 Mobile, version 1607, reached end of service on October 8, 2018. Devices running Windows 10 Mobile and Windows 10 Mobile Enterprise will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.

For more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article.

Highlights

• Updates to improve security when using Internet Explorer.
• Updates to improve security when Windows performs basic operations.
• Updates to improve security when using Microsoft Office products.
• Updates to improve security when using input devices (such as a mouse, keyboard, or stylus).
• Improves security in the Microsoft Store.
• Updates for verifying usernames and passwords.
• Updates for storing and managing files.

Improvements and fixes

This security update includes quality improvements. Key changes include:

• Addresses an issue that prevents users from updating .msi files from a network folder.
• 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.
• Security updates to the Microsoft Scripting Engine, Internet Explorer, Windows App Platform and Frameworks, Windows Media, Windows Kernel, Microsoft Graphics Component, Windows Input and Composition, Windows Shell, the Microsoft Store, Windows Cloud Infrastructure, Windows Fundamentals, Windows Authentication, Windows Cryptography, Windows Virtualization, Windows Storage and Filesystems, Windows File Server and Clustering, Windows Hybrid Storage Services, the Windows Update Stack, 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 ImprovementsMicrosoft 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

How to get this update