Unknown vulnerability in Microsoft Jet DB engine (msjet40.dll) 4.00.8618.0, related to insufficient data validation, allows remote attackers to execute arbitrary code via a crafted mdb file.
http://www.securityfocus.com/archive/1/442610/100/100/threaded
http://www.securityfocus.com/archive/1/442446/100/100/threaded
http://www.kb.cert.org/vuls/id/176380
http://www.hexview.com/docs/20050331-1.txt