Unspecified vulnerability in mso.dll in Microsoft Office 2000 XP and 2003 and Microsoft PowerPoint 2000 XP and 2003 allows remote user-assisted attackers to execute arbitrary code via a malformed record in a (1) .DOC (2) .PPT or (3) .XLS file that triggers memory corruption related to an \array boundary condition\ (possibly an array index overflow) a different vulnerability than CVE-2006-3434 CVE-2006-3650 and CVE-2006-3868.