The Software License and Service Agreement will be updated. Please follow this link [https://www.activision.com/legal/ap-eula] in order to see these changes.
Question: How can I report a player in Call of Duty: Modern Warfare?
Answer: If you suspect that a player is cheating, or you feel a player is using language or a customization that you find offensive, you can report the player within the game.
To report a player from the Multiplayer menu:
Please note: If you choose to report a player who is on your Friends list, be sure to remove that player from your Friends list.
We take these issues very seriously, and we appreciate your bringing cheaters and offensive players to our attention. Your report will be reviewed, and we will take appropriate actions if necessary. Due to confidentiality, we cannot provide updates or actions taken as a result of your report.