Google Chrome before 28.0.1500.71 on Windows, when an Nvidia GPU is used, allows remote attackers to bypass intended restrictions on access to screen data via vectors involving IPC transmission of GL textures.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17142
https://code.google.com/p/chromium/issues/detail?id=237611
http://googlechromereleases.blogspot.com/2013/07/stable-channel-update.html