MS16-126: Description of the security update for Microsoft Internet Messaging API: October 11, 2016

Applies to: Windows Server 2008 Service Pack 2Windows Server 2008 DatacenterWindows Server 2008 Enterprise


This security update resolves a vulnerability in Microsoft Windows. An information disclosure vulnerability exists when the Microsoft Internet Messaging API improperly handles objects in memory. An attacker who successfully exploited this vulnerability could test for the presence of files on disk.

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-126.

More Information


  • 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.

Known issues in this security update

After you install this security update, System Center Operations Manager (SCOM) Management Console crashes in State view.

To resolve this issue, install the following update:
3200006 System Center Operations Manager Management Console crashes after you install MS16-118 and MS16-126

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.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.