MW3 Dec 14 Update Patch Notes: Multiplayer & Zombies changes 1

The Season 1 patch notes for Call of Duty: Modern Warfare III, released on December 14, 2023, introduce major updates across various aspects of the game.

In the Global section, an issue preventing players from equipping previously unlocked items has been addressed. For weapons and attachments, the RAM-7 assault rifle now has a new barrel attachment, and there are updates to lethal equipment like the Breacher Drone for better damage control. Customization improvements include fixes for laser attachment skins and emblems, along with adjustments to the GG EZ Weapon Vault Bundle.

In Multiplayer, various UIX bugs have been fixed, improving the scoreboard and attachment slots. Progression challenges related to enemy equipment destruction have been updated for better tracking. The Ray Gun weapon has measures to prevent misuse, and maps like Operation Spearhead have been tweaked to eliminate exploits. Multiplayer modes see changes in score limits and private match settings, with the addition of a Training Course.

Zombies mode introduces gameplay adjustments in Act 4: Dead Signal, with new enemy types and contracts. Stability improvements include a resolved PC crash at the season’s start and various other fixes. Earlier, on December 7, there were global UIX updates, sniper rifle attachment adjustments, and customization fixes, including the Bantam Operator and Smoke Maker Blueprint. Multiplayer and Zombies modes saw various gameplay and UIX improvements, enhancing the overall experience.

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



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


» Assault Rifles «

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


  • Breacher Drone (Lethal)
    • 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.



  • 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.


  • 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 2s 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.



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.

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