seen these earlier on twitter figured they were worth sharing for anyone who had not seen them
Robert Bowling
The exploit allowed you to assign Damage proficiency to primary weapon classes that didn't have it available. No way to do it by accident.
Robert Bowling
#MW3 PSA: The "damage" proficiency exploit is already fixed in the next patch. We're now tracking anyone abusing it and will ban offenders.
Robert Bowling
We're doing some updates to the leaderboards right now, so you might notice some wonky scores or incorrect placements for a little bit. #MW3