Microsoft » Office : Security Vulnerabilities, CVEs, Published In July 2007 (Code Execution)

Unspecified vulnerability in Microsoft Excel 2002 SP3 and 2003 SP2 allows user-assisted remote attackers to execute arbitrary code via a malformed Excel file containing multiple active worksheets, which results in memory corruption.

Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, 2003 Viewer, and Office Excel 2007 does not properly validate version information, which allows user-assisted remote attackers to execute arbitrary code via a crafted Excel file, aka "Calculation Error Vulnerability".