Technical Information

Brief overview of the risk:
An attacker who successfully exploits this vulnerability could run arbitrary code on the affected system as the logged on user.
Detailed Information on the risk:
A remote code execution vulnerability exists in the way Excel handles malformed Excel files. An attacker could exploit the vulnerability by sending a malformed file which could be included as an e-mail attachment, or hosted on a malicious or compromised Web site.
This critical update resolves one publicly disclosed vulnerability and two privately reported vulnerabilities.Further information on this exploit is available at : MS07-036