A vulnerability in the rebuilding of malformed cell comments allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office. Exploitation requires that the attacker coerce the target into opening a malicious .XLS file. Affected products include Office Excel 2003, Office Excel Viewer 2003, Office Excel 2002, Office Excel 2000, Office Excel 2004 for Mac, and Office Excel version X for Mac.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48185/ZDI-06-022.txt
Source: https://packetstormsecurity.com/files/48185/Zero-Day-Initiative-Advisory-06-022.html