The Windows Media Active Playlist in Microsoft Windows Media Player 7.1 stores information in a well known location on the local file system, allowing attackers to execute HTML scripts in the Local Computer zone, aka "Media Playback Script Invocation".

Buffer overflow in various Microsoft applications for Macintosh allows remote attackers to cause a denial of service (crash) or execute arbitrary code by invoking the file:// directive with a large number of / characters, which affects Internet Explorer 5.1, Outlook Express 5.0 through 5.0.2, Entourage v. X and 2001, PowerPoint v. X, 2001, and 98, and Excel v. X and 2001 for Macintosh.