This host is missing a critical security update according to Microsoft Bulletin MS13-012.

Successful exploitation could allow an attacker to cause a denial of service condition or run arbitrary code as LocalService on the affected Exchange server. Impact Level: System/Application

Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link, http://technet.microsoft.com/en-us/security/bulletin/ms13-012

Flaws are in Microsoft Exchange Server WebReady Document Viewing and will allow remote code execution in the security context of the transcoding service on the Exchange server if a user previews a specially crafted file using Outlook Web App (OWA)

Microsoft Exchange Server 2007 Service Pack 3 Microsoft Exchange Server 2010 Service Pack 2

• http://secunia.com/advisories/52133/
• http://support.microsoft.com/kb/2809279
• http://technet.microsoft.com/en-us/security/bulletin/ms13-012

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Updated on 2015-03-25