Applies ToWindows 10, version 1511, all editions

Release Date:

2/9/2016

Version:

OS Build 10586.104

This update includes quality improvements and security fixes. No new operating system features are being introduced this month. Key changes in this update include:

  • Fixed issues with authentication, update installation, and operating system installation.

  • Fixed issue with Microsoft Edge browser caching visited URLs while using InPrivate browsing.

  • Fixed issue that didn't allow simultaneous install of apps from Microsoft Store and updates from Windows Update.

  • Fixed issue that delayed the availability of songs added to the Groove Music app in Windows 10 Mobile.

  • Improved security in the Windows kernel.

  • Fixed security issues that could allow remote code execution when malware is run on a target system.

  • Fixed security issues in Microsoft Edge  and Internet Explorer  11 that could allow code from a malicious website to be installed and run on a device.

  • Fixed additional issues with the Windows UX, Windows 10 Mobile, Internet Explorer  11, Microsoft Edge, and taskbar.

  • Fixed additional security issues with .NET Framework, Windows Journal, Active Directory Federation Services, NPS Radius Server, kernel-mode drivers, and WebDAV.

For more info about the security fixes in this update and a complete list of affected files, seeKB3135173.

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