I have already reported the problem to Microsoft but never heard back any results of their investigation of the problem.
I've duplicated the problem on the 3 different computers already. But I want to understand how widespread the problem is, so I've created a simple set of tests that anyone can try who is running PWS on their computer. These test involve simply clicking on Web links in this message. If the PWS system administrator pages come up in your Web browser, then a system is likely to be vulnerable.
Here are tests: