Treyarch have released a new game settings update for Black Ops 3 across various platforms.
V43.*.29.5. (*caries depending on platform) fixes score streak issues/bugs and some exploits.
Here we go again. 43.*.29.5. Control bugs with Scorestreaks. Exploits patched. And a fix for teammates griefing your Scorestreaks in HC.
— David Vonderhaar (@DavidVonderhaar) January 6, 2016