MS15-109: Security update for Windows Shell to address remote code execution: October 13, 2015


This security update resolves vulnerabilities in Microsoft Windows. These vulnerabilities could allow remote code execution if a user opens a specially crafted toolbar object in Windows or if an attacker convinces a user to view specially crafted content online. 

To learn more about the vulnerabilities, see Microsoft Security Bulletin MS15-109.

More Information

  • All future security and nonsecurity updates for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows RT 8.1-based, Windows 8.1-based, or Windows Server 2012 R2-based computer so that you receive future updates.
  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

More information about this security update

The following articles contain more information about this security update as it relates to individual product versions. The articles may contain known issue information.
  • 3080446 MS15-109: Description of the security update for Windows Shell: October 13, 2015
  • 3093513 MS15-109: Description of the security update for Windows Shell: October 13, 2015
  • 3097617 Cumulative Update for Windows 10: October 13, 2015

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see
Get security updates automatically.

Note For Windows RT and Windows RT 8.1, this update is available through Windows Update only.

Method 2: Microsoft Download Center

More Information

Security update deployment information
File hash information
How to obtain help and support for this security update

Article ID: 3096443 - Last Review: Oct 16, 2015 - Revision: 1