Call of Duty: MW3 Zombies Season 1 Key Art
Call of Duty: MW3 Zombies Season 1 Key Art

Call of Duty: MW3 and Zombies Season 1 – December 14 Patch Notes

Call of Duty: MW3 and Zombies have been updated on December 14 to prevent a large amount of UIX issues and bugs for players.

Here are all the changes in the latest Call of Duty: Modern Warfare 3 and Zombies Season 1 update for December 14. This does not include the Call of Duty: Warzone updates, but you can view them here.


Stability and Performance

  • Addressed an issue experienced by some players that caused items previously unlocked to become unavailable to equip.

Weapons and Attachments

Assault Rifles

  • RAM-7 (MWIII)
    • Speedway v5 Short Barrel Attachment is now available to equip in the Gunsmith.



  • Breacher Drone
    • Improved impact detection to prevent inflicting more explosive damage to players than intended.


  • Crimson Fate and Carbon Fate Laser Attachment Skins will no longer appear as default Skins when equipped to Shotguns.
  • Players who purchased the GG EZ Weapon Vault Bundle will now be able to use customizations on the Houndeye Integrated Optic Attachment.
  • Animated Emblems are now properly rewarded upon reaching Prestige Levels 1-5.
    • Note: In the coming days, we’ll retroactively grant these items to players who met the requirements prior to today’s fix.
  • The Stormender’s Priceless and Interstellar reward Emblems will now display the correct Emblem art.
Call of Duty: MW3 Sniper
Call of Duty: MW3 Sniper Screenshot

Call of Duty: MW3 Multiplayer


  • Bug Fixes
    • Kills column on the Scoreboard will now track properly in War Mode.
    • Conversion Kits Attachment slot for certain Weapons will no longer appear locked despite requirements being met.
    • Exiting a Blueprint Preview will no longer kick the player back to the Multiplayer menu.
    • When using a Controller, hovering the Santa’s Slayground Battle Pass sector will no longer kick the player back to the Multiplayer menu.
    • Clicking the ‘View Bundle’ button on a Battle Pass Bundle in the Operators tab will no longer kick players back to the Multiplayer menu.


  • Challenges that require enemy Equipment to be destroyed will now progress upon the destruction of the following Field Upgrades:
    • A.C.S.
    • Comms Scrambler
    • Deployable Cover
    • Med Box
    • Munitions Box
    • Portable Radar
    • Suppression Mine
    • Tactical Camera
    • Tactical Insertion
    • Trophy System
  • Fixed several challenges where progression wasn’t tracking.

Weapons and Attachments

  • Ray Gun
    • Implemented measures to prevent illicit usage outside of support Modes.


  • Operation Spearhead (War)
    • Eliminated an out of map exploit in which players were able to access an unintended rooftop near the Launch Site.
    • Eliminated an out of map exploit in which players were able to get underneath the map near the Garage.


  • Gunfight
    • In Private Match, split-screen play will no longer cause DEV ERROR 12744.
  • Search and Destroy
    • Addressed an issue causing unintended XP rates for various match events.
  • Playlists
    • Increased Team Deathmatch and Kill Confirmed score limits in certain limited-time Playlists.
      • 12v12: 150
      • 10v10: 125
      • Small Maps: 125
  • Private Match
    • With CDL Rules enabled, restrictions are now accurate to the Competitive Settings v1.0 specification.
    • Training Course has returned, allowing players to learn basic movements and combat skills.


  • Ghost T/V Camo (Gear)
    • Players can now be stationary for 2 seconds before anti-radar effects are disabled.

Based on feedback, we’ve added a grace period to the movement requirement of Ghost T/V Camo. With this change, players remain detectable by radar while not moving, but momentary pauses will no longer cause their position to be revealed.

The Disciple Zombie in MW3 Zombies
The Disciple Zombie in Call of Duty: MW3 Zombies



Act 4: Dead Signal

  • Adjustments to the Escape: Defeat Gorm’gant step of the Dead Signal mission.
    • Light Armored Zombies enemy types have been added during this step to provide a source of Armor for players.



  • Aether Extraction
    • Addressed an issue that would eliminate players who attempted to overload an ‘Aether Extractor’ as the contract’s time runs out.



  • Aether Worm: Greylorm
    • Addressed an issue that allowed Greylorm to instantly die when spawned.
    • Addressed an issue where getting eaten by Greylorm and grabbed by a Mimic at the same time could cause players to get pushed under the map.



  • Addressed an issue that displayed incorrect Bruen MK9 attachment unlock descriptions in the After Action Report.


  • Resolved a PC specific crash players encountered at the start of Season 1.
    • This fix was released on Monday, December 11.
  • Added various crash and stability fixes.

That’s everything you need to know about the December 14 changes in Season 1 of Call of Duty: MW3 and Zombies. Make sure you check out our Game Hub for more articles on Call of Duty: Modern Warfare 3.


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