MS15-124: Security update for Internet Explorer: December 8, 2015

Applies to: Internet Explorer 11Internet Explorer 10Internet Explorer 9


This security update resolves several reported vulnerabilities in Internet Explorer. The most severe of these vulnerabilities could allow remote code execution if a user views a specially crafted webpage in Internet Explorer. To learn more about these vulnerabilities, see Microsoft Security Bulletin MS15-124.

Additionally, this security update includes several non–security-related fixes for Internet Explorer.

Known issues in this security update

  • After you install this security update, some classic ASP applications may not work correctly. For example, you may be unable to upload image files by using classic ASP applications.

    To resolve this issue, install hotfix 3125446. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
    3125446 Classic ASP applications don't work correctly after security update 3104002 is installed in Windows

How to get and install the update

Method 1: Microsoft Update

This update is available through Microsoft 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 Microsoft Update only.

Method 2: Microsoft Download Center

You can get the stand-alone update package through the Microsoft Download Center. Go to Microsoft Security Bulletin MS15-124 to find the download links for this update.