Microsoft says KB5124008 (Sept. 8) can disable USB Audio Class 1.0 devices on Windows 11 (24H2, 25H2, 26H1), causing Code 10 errors, muted output, and unresponsive sound controls; multichannel modes ...
Microsoft has confirmed that USB audio devices may fail on some Windows systems after installing the KB5124008 and KB5124012 September 2026 security updates. This known issue affects only devices ...