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Release Date:



OS Build 10586.1232

This update can be applied to Windows 10 Enterprise and Windows 10 Education editions only. 


Improvements and fixes

This update includes critical security updates that have been MSRC certified only.  No new features or quality updates are included. Key changes include:

  • Addressed issue with the rendering of a graphics element in Internet Explorer.

  • Addressed issue where access to the Trusted Platform Module (TPM) for administrative operations wasn't restricted to administrative users.

  • Addressed issue where applications based on the Microsoft JET Database Engine (Microsoft Access 2007 and older or non-Microsoft applications) fail when creating or opening Microsoft Excel .xls files. The error message is: “Unexpected error from external database driver (1). (Microsoft JET Database Engine)".

  • Addressed a crash in Internet Explorer that was seen in machines that used large font-size settings.

  • Security updates to Internet Explorer, Microsoft Scripting Engine, Microsoft Edge, Windows Cryptography, Windows kernel, Windows kernel-mode drivers, Microsoft Graphics Component, Microsoft Windows Search Component, and Windows Media Player.

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, see the Security Update Guide.

Windows Update Client Improvement

Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability. It will only be offered to devices that haven't installed the most recent updates.

Known issues in this update



After installing this update, some Epson SIDM (Dot Matrix) and TM (POS) printers cannot print on x86 and x64-based systems.

This issue is resolved in KB4053578.


How to get this update

This update will be downloaded and installed automatically from Windows Update. To get the stand-alone package for this update, go to the Microsoft Update Catalog website.


File information

For a list of the files that are provided in this update, download the file information for cumulative update 4048952.

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