Microsoft Data Access Components (MDAC) is a collection of components used to provide database connectivity on Windows platforms. A security vulnerability is present in the RDS implementation, specifically, in a function called the RDS Data Stub, whose purpose it is to parse incoming HTTP requests & generate RDS commands.
Microsoft Data Access Components (MDAC) 2.1, 2.5 & 2.6
Microsoft Internet Explorer 5.01, 5.5 & 6.0
Note: The vulnerability does not affect Windows XP, despite the fact that it uses Internet Explorer 6.0. Windows XP customers do not need to take any action.
The following patch can be installed on all affected platforms: