Reproduction steps:
1. Open the attached “IN-135480” project
2. Open the “[BB] Shooter” Scene (Assets/Shooter/TestScenes/[BB] Shooter.unity)
3. Using Multiplayer Play Mode, add a Virtual Player
4. Enter Play Mode, use the Main Editor Player as Host and the Virtual Player as Client
5. Do not move the Main Player, Use the Virtual Player to move towards the Main Player
6. Select the “Grenade Launcher” weapon by pressing the “1” or “2” keys
7. Shoot the Launcher at the Main Player in a way that the grenades explode at the Main Player’s feet
8. Observe the damage dealt

Actual result: Often the Main Player does not take damage
Expected result: The Main Player takes damage every time

Reproducible with: 6000.0.68f1, 6000.3.10f1, 6000.4.0b10, 6000.5.0a7

Reproducible on: Windows 11 (by reporter), macOS 26.3
Not reproducible on: No other environments tested