MW4 Season 1 Patch Notes November 2026 - Call of Duty: Modern Warfare 4 Guide - IGN

Season 1 of Modern Warfare 4 has arrived, bringing with it countless balance adjustments, updates and general fixes to improve game balancing, performance, and stability.

This page acts as a comprehensive breakdown of the Season 1 Patch for MW4, including a link to the full Patch Notes.

The November 5 Patch consists of various fixes and improvements to both Multiplayer and DMZ modes.

Reduced maximum health in Hardcore modes from 30 to 22.

Fixed an exploit that allowed players to attach Proximity Mines to Seeker Drones.

Fixed an out-of-bounds exploit at Wolves Stadium in Combat Outpost.

Fixed an issue where the Cronen Osprey equipped with the Helix MK. II Apex Attachment could clip through the player during Finishing Moves.

Fixed an issue where Boksu Prime did not unlock after completing the Classic Prestige 10 Track.

Fixed an issue where the Mercurial Drift Multiplayer Weapon Mastery Camo remained locked after players completed its unlock requirements.

Added a Select/Deselect All option to the Edit Quickplay Modes menu in Multiplayer lobbies.

Fixed an issue in Kill Block 24/7 where the Loadout selection menu could overlap the map preview.

Fixed an animation issue with the reconfiguration transition on Kill Block.

Fixed an issue where the Damage Dealt display after death did not appear correctly in Private Match.

Fixed an issue where the second player in Splitscreen would be unable to access the View Maps tab.

Fixed a crash that could occur when the second player in Splitscreen attempted to generate a weapon using Gunny.

Fixed an issue where the Equip prompt appeared when hovering over locked weapons in the Multiplayer Level Unlocks section of the Progression menu.

Fixed an issue in Inflation where the "Cash Dropped" notification did not appear when players were eliminated.

Fixed an issue in Inflation where the personal Cash counter could incorrectly double instead of reflecting the amount collected.

Updated FOB vendors, recipes, and assembly requirements to reflect the latest available items and crafting rules.

Fixed an issue where the Apex .50 GS Magna Pistol could disappear from a player's Backpack when deploying into Hajin.

Fixed an issue where players could not use the Sedative Inhaler while holding a Knife.

Fixed an issue where the Free Prep Trait only provided Radiation Blockers instead of a random Consumable.

Fixed an issue where Hydrochloric Acid, an unused crafting material, could appear as loot.

Fixed an issue where enemy AI dealt incorrect melee damage based on their equipped weapon.

Fixed an issue with Colossus spawning at the Military Base before the Armory was opened.

Fixed an issue where players could see an incorrect Exfil countdown when boarding an Exfil Helicopter called in by another player.

Fixed an issue where RHIB boats could occasionally spawn on top of each other along the Hajin Shoreline.

Fixed an issue where there was a non-functioning prompt to use Door Breacher on the double doors inside the Supreme Leader's Bunker.

Fixed an issue where players were unintentionally getting UAV pings when enemy UAVs were active.

Fixed an issue where Tanks could unexpectedly bounce into the air when driving over Razor Wire equipment.

Fixed an issue where Ammo Boxes could get stuck inside of vehicle doors when thrown against them.

Fixed an issue where enemy AI equipped with Riot Shields could experience visual clipping when using Recon Tablets.

Fixed an issue where the Possum Trait sometimes did not fully restore an Operator's health after being revived.

Fixed an issue where progress toward the High-Value Escort Calling Card Challenge was not tracking correctly.

Fixed an issue where certain DMZ Lieutenant Dog Tags did not count toward Camo Challenge progression.

Updated the DMZ Bounty Leaderboard to display players' own rankings on the Friends tab.

Updated the Dog Tag Case to display the most recently acquired Dog Tags first.

Fixed an issue where DMZ Lieutenant targets could appear multiple times on the Boss Board, even after being eliminated.

Fixed an issue in DMZ Gunsmith where players could try to re-equip Attachments they no longer owned.

Fixed an issue where the DMZ Weapon Stash 1 upgrade remained available after completion, allowing players to try to purchase it again.

Updated the DMZ Military Base Mission selection UI to recommend the intended 3-Plate Armor Vest item.

Fixed an issue where completed Orders displayed a low-resolution checkmark in the After Action Report.

Fixed an issue where the Equip prompt appeared when hovering over locked Operator Skins in the DMZ Level Unlocks section of the Progression menu.

Fixed an issue where the Bruen Field-OP Optic reticle did not match its preview when equipped on Pistols.

Fixed an issue where the XP Token menu prompt would not highlight when hovered over.

Added a warning in Gunsmith when changing Receivers to notify players that the change may affect weapon appearance or functionality.

Fixed an issue where players could not select an option when prompted to remove locked Attachments from a Weapon Build.

Fixed an issue where players could not navigate Attachments in the in-game Gunsmith after selecting a locked Attachment.

Fixed an issue where equipping an Apex Attachment and Barrel on the Cronen Osprey caused the Horizontal Compensator to disappear from the available Muzzle Attachments.

Fixed an issue where a bullet was missing from the Apoc-338 ammo belt when previewing ammunition attachments with the Praetor Apex Attachment equipped.

Fixed an issue where the Remove Selection button in the Career Customize tab did not play a confirmation sound.

Fixed an issue where resetting the Audio Settings tab would incorrectly display the Audio Mix description.

Fixed an issue where selecting "Default Fill" while adding a Calling Card to the Showcase would not work properly.

Fixed an issue where the Deploy and Play tooltips displayed incorrect information in QuickNav.

Four maps join the rotation as part of Season 1, including two new maps:

Grind Collect and bank Dog Tags to score

Drop Zone Take control of a rotating objective to earn Killstreak drops

Take control of a rotating objective to earn Killstreak drops

Two new weapons and several attachments are also debuting in the game as part of Season 1:

Cronen Osprey (AR) Precision-engineered for relentless performance, this 5.56 rifle delivers a best-in-class fire rate without sacrificing control, accuracy, or mobility.

Precision-engineered for relentless performance, this 5.56 rifle delivers a best-in-class fire rate without sacrificing control, accuracy, or mobility.

CSG-35 (SMG) Dual-wield akimbo CSG-35 SMGs and trade accuracy for a wave of downrange chaos.

Dual-wield akimbo CSG-35 SMGs and trade accuracy for a wave of downrange chaos.

Argonaut Increased health from 800 to 1,200

Crossfire Added spawn protection Reduced bullet radius by 25% Reduced bullet damage by 50% Reduced camera shake while flying

Prox Mine Reduced the arming time of the proximity mine from 1.5 seconds to 0.75 seconds

Reduced the arming time of the proximity mine from 1.5 seconds to 0.75 seconds

Claymore Reduced the arming time of the claymore from 1 second to 0.75 seconds Increased the forward triggerable range of the claymore from 2.29 meters to 3.18 meters Increased the triggerable cone from 60 degrees to 80 degrees

Reduced the arming time of the claymore from 1 second to 0.75 seconds

Increased the forward triggerable range of the claymore from 2.29 meters to 3.18 meters

Increased the triggerable cone from 60 degrees to 80 degrees

If you wish to read the Patch Notes in full, including weapon balancing adjustments and bug fixes, you can do so via the official Call of Duty websites Season 1 Patch Notes post.

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