Applies To
Windows 10, version 1607, all editions Windows Server 2016, all editions

Release Date:

9/4/2024

Version:

OS Build 14393.6897

EXPIRATION NOTICE

IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows.

 

11/19/20 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of  Windows 10, version 1607, see its update history page.   

Highlights

  • This update addresses security issues for your Windows operating system. 

Improvements

This security update includes quality improvements. When you install this KB: 

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

For more information about security vulnerabilities, please refer to the new Security Update Guide website and the April 2024 Security Updates.

Known issues in this update

Symptom

Workaround

Windows devices might face VPN connection failures after installing the update dated April 9, 2024, or later.

This issue is addressed in KB5037763.

After installing the April 9, 2024 security update on domain controllers (DCs), you might notice a significant increase in NTLM authentication traffic. This issue is likely to affect organizations that have a very small percentage of primary domain controllers in their environment and high NTLM traffic.

This issue is addressed in KB5037763.

How to get this update

EXPIRATION NOTICE

IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows.

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