Activision has temporarily taken offline the PC version of Call of Duty: WWII following multiple reports of a remote code execution (RCE) vulnerability that allowed hackers to exploit players' computers during live multiplayer matches. The issue emerged after an outdated and insecure version of the game was reportedly uploaded to the Microsoft Store and made available on Xbox Game Pass for PC. Players experienced various disruptions including unexpected notepad pop-ups, forced PC shutdowns, and changes to desktop wallpapers. The Steam version of the game was not affected by this vulnerability. Activision removed the game from the Microsoft Store and Game Pass to prevent further exploitation and is working on a patch to address the security flaw. Subsequently, the company initiated a wave of mass bans targeting cheaters exploiting the game. The incident has drawn attention to cybersecurity risks within online gaming platforms and prompted swift action from Activision to protect its user base.