Microsoft confirmed KB5124008 and KB5124012 kill USB Audio Class 1.0 devices on Windows 11 24H2 and later.
Microsoft has released an emergency Windows update to address audio problems caused by its September Patch Tuesday release, but the fix only covers some of the reported failures.
Microsoft confirms the September Windows 11 update can break USB Audio Class 1.0 devices, causing Code 10 errors and complete loss of sound.
The September Patch Tuesday update is causing audio problems with certain USB devices, but you may be able to resolve it yourself.