http://mynintendonews.com/2014/02/24...ebrew-exploit/
Looks like running ISOs on the Wii-U will be a question of when, not if.Members of Wii U Hax have found an exploit in the Wii U. The exploit can be found in the system’s Wii Mode and from there you can apparently gain access to the Wii U hardware. This exploit can’t be patched by Nintendo through updates, the only way they can fix it is hardcoding the hardware itself. The exploit will supposedly allow you to access homebrew.
Thanks, WiiUMasterRace
I guess the good news for Nintendo is they might sell some Wii-U systems to pirates. The bad news is they won't be selling may games.