Microsoft Office XP SP3, Office 2003 SP3, Office 2007 SP2, Office 2010, Office 2004 and 2008 for Mac, Office for Mac 2011, and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code via an Office document containing an Office Art Drawing record with crafted msofbtSp records and unspecified flags, which triggers memory corruption, aka "Office Art Drawing Records Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11439
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-087
http://www.vupen.com/english/advisories/2010/2923
http://www.us-cert.gov/cas/techalerts/TA10-313A.html
http://www.securitytracker.com/id?1024705
http://www.securityfocus.com/bid/44656
http://www.securityfocus.com/archive/1/514699/100/0/threaded
http://secunia.com/secunia_research/2010-4/