A certain ActiveX control in sapi.dll (aka the Speech API) in Speech Components in Microsoft Windows Vista, when the Speech Recognition feature is enabled, allows user-assisted remote attackers to delete arbitrary files, and conduct other unauthorized activities, via a web page with an embedded sound object that contains voice commands to an enabled microphone, allowing for interaction with Windows Explorer.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5489
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-032
http://www.vupen.com/english/advisories/2008/1779/references
http://www.us-cert.gov/cas/techalerts/TA08-162B.html
http://www.securitytracker.com/id?1020232
http://www.securityfocus.com/bid/22359
http://secunia.com/advisories/30578
http://marc.info/?l=bugtraq&m=121380194923597&w=2
http://lists.immunitysec.com/pipermail/dailydave/2007-January/004012.html
http://lists.immunitysec.com/pipermail/dailydave/2007-January/004007.html
http://lists.immunitysec.com/pipermail/dailydave/2007-January/004005.html
http://lists.immunitysec.com/pipermail/dailydave/2007-January/004003.html