GoKawiilMicrosoft issues emergency Windows 11 patch for USB audio failure
Microsoft released an out-of-band update this week for Windows 11 versions 26H2, 25H2, and 24H2 to fix an audio bug that broke sound on older USB devices using the legacy Audio Class 1.0 driver. The flaw, introduced by the September 8 security update, left affected headsets and speakers silent, with unresponsive volume controls or a Device Manager error. The new patch also resolves several other recent issues alongside a couple of security flaws.