Game: Modern Warfare 4MW4

Modern Warfare 4 patch notes, October 28, 2026

Data updated ยท Latest official patch:

The first weapon tuning update. Infinity Ward says it focused on normalizing hit location damage and on SMG performance; the tables list every weapon changed, with Apex and attachment changes.

Official notes of October 28, 2026All updates

At a glance

65 values changed in this update. Of the 63 with a before and an after number, 45 increased, 18 decreased and 0 are unchanged.

The largest relative increase listed is Hyeon Burst, Hyperburst Apex Attachment, Full-Auto Max Damage Range: 970 to 1220 (25.8%).

The largest relative decrease listed is Patriot XMR, EXP Haste 80L 14" (Light Barrel), Recoil Control Penalty: 8% to 6% (25%).

PPSh-41 has the most listed values, 12.

Weapon changes

Han 86

Han 86 stats and attachments

Han 86: stats changed
ValueBeforeAfterChange
Max Damage Range11201200increased 7.1%
Neck Damage Multiplier1.11decreased 9.1%
Upper Torso Damage Multiplier1.11decreased 9.1%

Kastov 762

Kastov 762 stats and attachments

Kastov 762: stats changed
ValueBeforeAfterChange
Max Damage Range9501050increased 10.5%

M4

M4 stats and attachments

M4: stats changed
ValueBeforeAfterChange
Max Damage Range9901020increased 3%

Oden

Oden stats and attachments

Oden: stats changed
ValueBeforeAfterChange
Neck Damage Multiplier1.21.1decreased 8.3%
Upper Torso Damage Multiplier1.21.1decreased 8.3%
Lower Torso Damage Multiplier1.11decreased 9.1%
Oden, Sentinel Apex Attachment
ValueBeforeAfterChange
Max Damage Range870820decreased 5.7%
Mid Damage Range 118101740decreased 3.9%
Muzzle Velocitynot stated-0.07not calculated

Hyeon Burst

Hyeon Burst stats and attachments

Hyeon Burst, Hyperburst Apex Attachment
ValueBeforeAfterChange
Full-Auto Max Damage3734decreased 8.1%
Full-Auto Max Damage Range9701220increased 25.8%
Mid Damage Range 1Not SpecifiedRemovednot calculated

Patriot XMR

Patriot XMR stats and attachments

Patriot XMR, Barrels: EXP Haste 80L 14" (Light Barrel)
ValueBeforeAfterChange
Recoil Control Penalty8%6%decreased 25%
Patriot XMR, Rear Grips: FJX Fury IV Grip (Skeleton Grip)
ValueBeforeAfterChange
Recoil Control Penalty5%4%decreased 20%

ISO Nightshade

ISO Nightshade stats and attachments

ISO Nightshade: stats changed
ValueBeforeAfterChange
Left Lower Arm Damage Multiplier0.951increased 5.3%
Left Upper Arm Damage Multiplier0.951increased 5.3%
Left Hand Damage Multiplier0.951increased 5.3%
Right Lower Arm Damage Multiplier0.951increased 5.3%
Right Upper Arm Damage Multiplier0.951increased 5.3%
Right Hand Damage Multiplier0.951increased 5.3%

PPSh-41

PPSh-41 stats and attachments

PPSh-41: stats changed
ValueBeforeAfterChange
ADS In Speed300 ms280 msdecreased 6.7%
ADS Strafe Movement Speed2.75 m/s2.78 m/sincreased 1.1%
Crouch Speed2.17 m/s2.19 m/sincreased 0.9%
Hipfire Movement Speed4.19 m/s4.2 m/sincreased 0.2%
Movement Speed4.66 m/s4.7 m/sincreased 0.9%
Sprint Speed6.18 m/s6.21 m/sincreased 0.5%
Left Lower Arm Damage Multiplier0.951increased 5.3%
Left Upper Arm Damage Multiplier0.951increased 5.3%
Left Hand Damage Multiplier0.951increased 5.3%
Right Lower Arm Damage Multiplier0.951increased 5.3%
Right Upper Arm Damage Multiplier0.951increased 5.3%
Right Hand Damage Multiplier0.951increased 5.3%

VEL 46

VEL 46 stats and attachments

VEL 46: stats changed
ValueBeforeAfterChange
Left Lower Arm Damage Multiplier0.951increased 5.3%
Left Upper Arm Damage Multiplier0.951increased 5.3%
Left Hand Damage Multiplier0.951increased 5.3%
Right Lower Arm Damage Multiplier0.951increased 5.3%
Right Upper Arm Damage Multiplier0.951increased 5.3%
Right Hand Damage Multiplier0.951increased 5.3%

Wz.55 Striga

Wz.55 Striga stats and attachments

Wz.55 Striga: stats changed
ValueBeforeAfterChange
Max Damage Range440470increased 6.8%
Mid Damage Range 1825840increased 1.8%
Left Lower Arm Damage Multiplier0.951increased 5.3%
Left Upper Arm Damage Multiplier0.951increased 5.3%
Left Hand Damage Multiplier0.951increased 5.3%
Right Lower Arm Damage Multiplier0.951increased 5.3%
Right Upper Arm Damage Multiplier0.951increased 5.3%
Right Hand Damage Multiplier0.951increased 5.3%

X-58 Nyx

X-58 Nyx stats and attachments

X-58 Nyx: stats changed
ValueBeforeAfterChange
Head Damage Multiplier1.251.3increased 4%
Left Lower Arm Damage Multiplier0.951increased 5.3%
Left Upper Arm Damage Multiplier0.951increased 5.3%
Left Hand Damage Multiplier0.951increased 5.3%
Right Lower Arm Damage Multiplier0.951increased 5.3%
Right Upper Arm Damage Multiplier0.951increased 5.3%
Right Hand Damage Multiplier0.951increased 5.3%
X-58 Nyx, Void Apex Attachment
ValueBeforeAfterChange
Max Damage Range437460increased 5.3%
Mid Damage Range 1788815increased 3.4%

APOC-338

APOC-338 stats and attachments

APOC-338: stats changed
ValueBeforeAfterChange
Mid Damage 13837decreased 2.6%
Mid Damage Range 119801900decreased 4%
Min Damage3533decreased 5.7%

FiNN LMG

FiNN LMG stats and attachments

FiNN LMG: stats changed
ValueBeforeAfterChange
Mid Damage Range 117201620decreased 5.8%
Left Upper Arm Damage Multiplier1.11decreased 9.1%
Right Upper Arm Damage Multiplier1.11decreased 9.1%

Type 73

Type 73 stats and attachments

Type 73, Assault Apex Attachment
ValueBeforeAfterChange
Min Damage1920increased 5.3%

Warlord

Warlord stats and attachments

Warlord, Ammunition: 12G Slug Rounds
ValueBeforeAfterChange
Mid Damage Range 2900810decreased 10%

Other changes in the notes

Short summaries of the rest of the notes, by area. Bug fixes are grouped and not every one is listed. The official notes have the complete text.

Playlist

Global

Multiplayer

DMZ

Known issues

What this update does not say

Read on November 4, 2026 from Call of Duty: Modern Warfare 4 Launch Patch Notes, entry of October 28, 2026.