There is a vulnerability in Windows Media Audio Voice decoder distributed with Windows Media Player that allows remote code execution by opening a specially crafted web page.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/82006/wmavd-exec.txt
Source: https://packetstormsecurity.com/files/82006/Windows-Media-Audio-Voice-Decoder-Code-Execution.html