Microsoft warns – New Vulnerability in Microsoft Word Could Allow Remote Code Execution. Microsoft published Security Advisory (2953095) on technet.microsoft.com :
Microsoft is aware of a vulnerability affecting supported versions of Microsoft Word. At this time, we are aware of limited, targeted attacks directed at Microsoft Word 2010. The vulnerability could allow remote code execution if a user opens a specially crafted RTF file using an affected version of Microsoft Word, or previews or opens a specially crafted RTF email message in Microsoft Outlook while using Microsoft Word as the email viewer. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.
Affected Software Microsoft Word 2003 Service Pack 3 Microsoft Word 2007 Service Pack 3 Microsoft Word 2010 Service Pack 1 (32-bit editions) Microsoft Word 2010 Service Pack 2 (32-bit editions) Microsoft Word 2010 Service Pack 1 (64-bit editions) Microsoft Word 2010 Service Pack 2 (64-bit editions) Microsoft Word 2013 (32-bit editions) Microsoft Word 2013 (64-bit editions) Microsoft Word 2013 RT Microsoft Word Viewer Microsoft Office Compatibility Pack Service Pack 3 Microsoft Office for Mac 2011 Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 1 Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 2 Word Automation Services on Microsoft SharePoint Server 2013 Microsoft Office Web Apps 2010 Service Pack 1 Microsoft Office Web Apps 2010 Service Pack 2 Microsoft Office Web Apps Server 2013