I seem to recall at least one XP box that I've set up that came with a preconfig...

JoachimSchipper on May 30, 2011 | parent | context | favorite | on: Cookiejacking: 0-day exploit of all Internet Explo...

I seem to recall at least one XP box that I've set up that came with a preconfigured account; if e.g. Dell does/did this, there may be a lot of such accounts out there...