Microsoft Windows Media Player 9 allows for writing to audio files from Internet Explorer, which may allow for code execution in a trusted zone. It also suffers from a file existence determination flaw.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/35413/mwmp9.txt
Source: https://packetstormsecurity.com/files/35413/mwmp9.txt.html