Call of Duty: Modern Warfare 4 has received its October 29, 2026, update, introducing Possession, a new Halloween-themed playlist mode. The update also increases XP earn rates across several Multiplayer modes and addresses multiple stability issues, menu problems, and gameplay bugs. Possession arrives alongside a series of improvements for both Multiplayer and DMZ.
The latest patch fixes several issues affecting weapons, challenges, and player progression. DMZ receives economy adjustments that increase cash rewards from Dynamic Ops, Side Ops, and Story Mission replays. Other fixes address the Scavenger’s detection behaviour, hostage interactions, extraction problems, and several exploits. The update also resolves various issues with Calling Cards, Quick Navigation, and Free Loadout selection.
Call of Duty: Modern Warfare 4 October 29 Update Patch Notes
New Content
- Possession:
- Added Possession, a new Halloween-themed party mode to the Multiplayer playlist.
- The mode is now available as part of the October 29 update.
Global Improvements and Fixes
Stability
- Fixed several stability issues and crashes to improve the experience across all game modes.
UI and UX
- Updated the Calling Card menu so that unlock requirements remain visible after completion.
- Fixed an issue where the Cash Gathered as HVT statistic was incorrectly formatted in the After Action Report for Inflation.
- Fixed an issue where expanding or collapsing the Quick Nav menu in the DMZ FOB could cause the Progression Track to scroll unexpectedly.
- Fixed an issue where players could not select a Free Loadout when their Stash was full, even if their Active Duty Operator had no equipment.
- Fixed an issue where a white flash could appear when navigating between Multiplayer menus.
Multiplayer Improvements and Fixes
- Increased XP earn rates across several Multiplayer modes to improve progression consistency.
- Fixed distracting overhead visual effects on Lithium that could interfere with gameplay.
- Fixed an issue where Concussion Grenades could incorrectly display a red damage indicator around the screen edges.
- Fixed an issue where a non-functional Time Remaining indicator appeared on the Domination Scoreboard.
- Fixed an issue on Silkworm that allowed players to deploy the Recon Drone outside the map.
- Removed redundant enemy location callouts on Shipment.
- Fixed several out-of-bounds exploits on Mumbai.
DMZ Economy Adjustments
- Increased cash rewards for completing Dynamic Ops.
- Increased cash rewards for completing Side Ops.
- Increased cash rewards for replaying Story Missions.
DMZ Bug Fixes
- Closed several exploits.
- Fixed an issue where certain squadmate actions did not count towards DMZ Mastery Camo Challenge progression.
- Fixed an issue where the Scavenger could detect players immediately upon deployment.
- Fixed an issue where players could not pick up a hostage after assimilating.
- Fixed an issue where the interaction prompt could sometimes be missing from Lieutenant Towers during Side Operations.
- Fixed an issue where players could extract with a disconnected teammate’s Dog Tag and store it in their Dog Tag Case.
- Fixed an issue where Encrypted Voice Logs did not spawn consistently as part of the Ears Everywhere DMZ Order.
- Fixed an issue where enemy helicopters could collide with the Exfil helicopter and eliminate players during extraction.
- Fixed terrain issues on Hajin that could cause players to become stuck.
- Fixed an issue where multiple vehicles could overlap near the edge of Hajin.
Previously Reported Issue
- Infinity Ward is continuing to work on distributing the 3-Plate Armor Vest reward to players who reached DMZ Level 37 before the earlier fix was released.
- The previous fix resolved the issue for players who had not yet reached Level 37, but did not grant the reward to those who had already passed that level.
Call of Duty: Modern Warfare 4 was released on October 22, 2026, for PC, PlayStation 5, Xbox Series X|S, and Nintendo Switch 2. The game is developed by Infinity Ward and published by Activision.
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