Halo 4 appears to have leaked a bit early, and those who nabbed early copies of the game have been posting supposed gameplay videos online and shots of their discs on Reddit.
A Microsoft spokesperson told Examiner: "We have seen the reports of Halo 4 content being propped on the Web and are working closely with our security teams and law enforcement to address the situation."
Whether the videos and disc shots being posted online are review copies or pirated copies is unknown.
Still, it's not really surprising, is it? Everything leaks.
Halo 4 launches on November 6 exclusively for Xbox 360.