In its 53rd advisory for the year, the software giant said that a vulnerability in the SmartHTML interpreter could be exploited to cause a denial-of-service attack on the Web server if the computer had FrontPage Server Extensions 2000 running. For FrontPage Server Extensions 2002, the flaw could result in the attacker running the code of their choice, essentially taking control of the server.
Microsoft credited Digital Defense Services for finding the problem.
For more: C|Net News.com