Microsoft confirmed KB5124008 and KB5124012 kill USB Audio Class 1.0 devices on Windows 11 24H2 and later.
The September Patch Tuesday update is causing audio problems with certain USB devices, but you may be able to resolve it yourself.
Microsoft has confirmed that USB audio devices may fail on some Windows systems after installing the KB5124008and KB5124012 September 2026 security updates. This known issue affects only devices ...
In another repeat, a recent update for Windows 11 accidentally introduced a trio of software issues, including sound on USB Audio 1.0 devices and a way to run Linux on Windows.