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Windows 10 Cumulative Update KB3135173 Released: Fixes A Number of Vulnerabilities

Microsoft has released a new cumulative update for Windows 10. Cumulative update KB3135173 introduces a number of bug fixes and security improvements. The latest cumulative update brings Windows 10 build to 10586.104. Today’s update is primarily aimed towards fixing vulnerabilities and does not bring any new feature.

As usual, the Windows 10 cumulative update 10586.104 should be downloaded automatically on your device. You can also force an update by going to Settings > Update and security > Check for Updates. The updated is listed as Cumulative Update for Windows 10 Version 1511 (KB3135173) in 32 bit systems or Cumulative Update for Windows 10 Version 1511 for x64-based Systems (KB3135173) on 64 bit systems.

Note: For Windows 10 Professional, Enterprise, and Education users who have chose to defer upgrades on initial Windows 10 release (build 240) today’s update will be listed as KB3135174 and will bring the build to 10240.16683.

As this update is aimed towards improving security, it is recommended to force an update and install it as early as possible.

The update is bigger than usual in size. The package size for x86 version is 270 MB and for x64 version the size is 489 MB. However this being a cumulative update, only the new fixes that are contained in this package will be downloaded and installed if you have installed previous updates. If you are installing a Windows 10 update package for the first time, the update needs to be downloaded at full size.

Microsoft recently pushed cumulative update 10586.79 but was pulled soon due to unconfirmed reasons. Previous Windows 10 update KB3124262 (build 10586.71) was released on January 27th.

Windows 10 Cumulative Update KB3135173 Released


Windows 10 Cumulative Update 10586.104 Changelog

  • 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 the Windows 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.

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The following security vulnerabilities were patched in Windows 10 Cumulative Update 10586.104

  • 3137893 MS16-022: Security update for the .NET Framework to address denial of service: February 9, 2016
  • 3133043 MS16-021: Security update for NPS RADIUS Server to address denial of service: February 9, 2016
  • 3136082 MS16-018: Security update for Windows kernel-mode driver to address elevation of privilege: February 9, 2016
  • 3136041 MS16-016: Security update to WebDAV to address elevation of privilege: February 9, 2016
  • 3134228 MS16-014: Security update to Microsoft Windows to address remote code execution: February 9, 2016
  • 3134811 MS16-013: Security update to Windows Journal to address remote code execution: February 9, 2016
  • 3134225 MS16-011: Cumulative security update for Microsoft Edge: February 9, 2016
  • 3134220 MS16-009: Cumulative security update for Internet Explorer: February 9, 2016

Have you installed cumulative update KB3135173 (10586.104)? Are you experiencing any issues with the build? Share with us in comments.

Source: Microsoft

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