Reports via WebmasterWorld that Microsoft's Live Web Search is ranking blogspot blogs that have redirects to adult sites for some popular debt keyword phrases. At WebmasterWorld you are not allowed to list examples, so I tried to dig some up.
I found a search for debt consolidation currently ranks five blogspot blogs in the top ten results. The others also included other hosted redirected sites. They don't necessarily link to adult sites but they do redirect to other sites.
Microsoft is still new at the game. It is a constant battle between search engines and search spammers. Some engines are better than others at staying on top of the battle.
Forum discussion at WebmasterWorld.