A certain ActiveX control in iisext.dll in Microsoft Internet Information Services (IIS) allows remote attackers to set a password via a string argument to the SetPassword method. NOTE: this issue could not be reproduced by a reliable third party. In addition, the original researcher is unreliable. Therefore the original disclosure is probably erroneous
http://www.attrition.org/pipermail/vim/2008-October/002081.html