On December 8th, Microsoft is rolling out a new cumulative update for Windows 10 version 1511. The new update is described as KB3116900 and addresses a number of vulnerabilities and improves the functionality of the operating system.

While KB3116900 doesn’t bring  new features or significant changes, it does bring Windows 10 version 1511 to build 10586.29, which happens to align with the build number of Windows 10 Mobile.

According to the Microsoft support page the “Cumulative update for Windows 10 Version 1511: December 8, 2015” resolves the following security issues in the operating system, Microsoft Edge, and Internet Explorer:

  • KB3119075 MS15-135: Security update for Windows kernel mode drivers to address elevation of privilege: December 8, 2015
  • KB3116130 MS15-133: Security updates for Windows RMCAST to address elevation of privilege: December 8, 2015
  • KB3116162 MS15-132: Security updates for Windows to address elevation of privilege: December 8, 2015
  • KB3104503 MS15-128: Security updates for Microsoft graphics component to address remote code execution: December 8, 2015
  • KB3116178 MS15-126: Security updates for Microsoft VBScript and JScript to address remote code execution: December 8, 2015
  • KB3116184 MS15-125: Cumulative security update for Microsoft Edge: December 8, 2015
  • KB3116180 MS15-124: Cumulative security update for Internet Explorer: December 8, 2015

As always, the December 8, 2015, update for Windows 10 is cumulative, therefore, the package includes all previously released fixes. If you have installed previous updates, only the new fixes that are contained in this package will be downloaded and installed to your computer.

KB3116900 is available immediately through Windows Update, the cumulative update will download and install automatically, but you can always go to Settings > Update & security and manually force the download. Furthermore, the update is available for everyone, including for Windows Insiders and non-Insiders.

Source Microsoft