Why This Matters
Microsoft's emergency patch addresses a Windows 11 audio bug that broke sound on older USB-connected devices, a problem introduced by the September Patch Tuesday update. This matters because it highlights how routine security updates can inadvertently disrupt basic functionality, and it shows Microsoft's willingness to issue out-of-band fixes quickly rather than waiting for the next scheduled update cycle.
Key Takeaways
- The out-of-band update fixes an audio bug affecting older USB Audio Class 1.0 devices like certain headsets and speakers.
- The bug was caused by the Sept. 8 security update and could result in no sound, unresponsive volume controls, or a Code 10 device error.
- The patch also resolves additional security flaws and other issues beyond the audio problem, and is available now for Windows 11 26H2, 25H2, and 24H2.
Lance Whitney/ZDNET
ZDNET’s key takeaways
Microsoft’s new update patches a nasty audio problem.
The update also fixes other recent glitches.
Some bugs came with the Sept. Patch Tuesday update.
Microsoft has released an out-of-band patch to squash an annoying audio bug in Windows 11.
Also: The latest Windows 11 update may mess with your device’s audio – here’s the workaround
The patch launched on Monday for Windows 11 26H2, 25H2, and 24H2, and resolves a glitch that prevented audio from playing on certain headsets, speakers, and other USB-connected devices. Specifically, the problem impacted USB Audio Class 1.0 devices, which use an older, legacy audio driver introduced back in Windows 98.
Windows 11 users impacted by the bug could encounter any of the following issues:
No audio output.
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