Unspecified vulnerability in Microsoft Access allows remote user-assisted attackers to execute arbitrary code via a crafted .MDB file, possibly related to Jet Engine (msjet40.dll). NOTE: this is probably a different issue than CVE-2007-6026.
http://www.securityfocus.com/bid/28087
http://pandalabs.pandasecurity.com/archive/New-MS-Access-exploit.aspx