MS14-049: Vulnerability in Windows installer service could allow elevation of privilege: August 12, 2014

Applies to: Windows Server 2012 R2 DatacenterWindows Server 2012 R2 StandardWindows Server 2012 R2 Essentials


Microsoft has released security bulletin MS14-049. To learn more about this security bulletin:

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More Information

More information about this security update

The following article contains additional information about this security update as it relates to individual product versions. The article may contain known issue information. If this is the case, the known issue is listed under each article link.
  • 2918614 MS14-049: Description of the security update for Windows Installer Service: August 12, 2014
    Known issues in security update 2918614:
    • After you install this security update and try to install any MSI package that uses a mandatory or temporary user profile, the MSI package installation fails, and you receive an error message that resembles the following:

      The profile for the user is a temporary profile
    • After you install this security update, you may receive a User Account Control (UAC) prompt when you try to use remote deployments, centralized deployments, or other local methods to reinstall a program that was already installed before the security update was installed.
    • After you apply this security update, a minor upgrade will display a UAC prompt.
    To resolve these issues in all affected operating systems except for Windows Vista, install update 3008627. For more information, click the following article number to view the article in the Microsoft Knowledge Base: 
    3008627 Unexpected UAC prompt after you install update 2918614 in Windows