Dock in Apple OS X before 10.10 does not properly manage the screen-lock state, which allows physically proximate attackers to view windows by leveraging an unattended workstation.
https://support.apple.com/kb/HT6535
https://exchange.xforce.ibmcloud.com/vulnerabilities/97638
http://www.securitytracker.com/id/1031063
http://www.securityfocus.com/bid/70633
http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html