Lance Whitney/ZDNETZDNET’s key takeaways
- Microsoft’s new replace patches a nasty audio downside.
- The replace additionally fixes different latest glitches.
- Some bugs got here with the Sept. Patch Tuesday replace.
Microsoft has launched an out-of-band patch to squash an annoying audio bug in Home windows 11.
Additionally: The most recent Home windows 11 replace might mess along with your machine’s audio – right here’s the workaround
The patch launched on Monday for Home windows 11 26H2, 25H2, and 24H2, and resolves a glitch that prevented audio from taking part in on sure headsets, audio system, and different USB-connected gadgets. Particularly, the issue impacted USB Audio Class 1.0 gadgets, which use an older, legacy audio driver launched again in Home windows 98.
Home windows 11 customers impacted by the bug might encounter any of the next points:
- No audio output.
- Sound settings are unresponsive or unavailable.
- Quantity controls are unresponsive or stay at zero.
- The machine shows an error in Gadget Supervisor: “This machine can not begin (Code 10).”
Till the brand new patch, the one workaround was switching your audio machine from 8-channel or 3D audio to straightforward stereo mode.
The glitch didn’t simply spring up out of the blue. As an alternative, the difficulty got here with Microsoft’s Sept. 8 safety replace. Whereas these month-to-month updates are supposed to repair safety bugs and different points, they’ll create new issues.
Additionally: Newest Home windows 11 replace restores your taskbar management, patches 995 safety flaws
The one saving grace this time was that solely older gadgets are affected. Right this moment’s audio gadgets sometimes connect with a PC utilizing a extra fashionable customary often known as USB Audio Class 2.0, or by way of a daily audio jack or wirelessly by Bluetooth.
Nonetheless, the bug was extreme sufficient to immediate Microsoft to difficulty an out-of-band patch, which it does provided that it could’t watch for the subsequent common spherical of Home windows updates. Past the audio difficulty, the patch additionally addresses a few safety flaws and different points.
Additionally: Microsoft’s newest Home windows replace breaks cursors, wallpaper, and extra – what to do in the event you’re affected
One safety vulnerability labeled CVE-2026-62721 might permit a distant attacker to achieve system-level privileges on an unpatched laptop. One other difficulty, often known as CVE-2026-85921, might let somebody elevate their privileges regionally to entry recordsdata and private knowledge that will in any other case be safe and guarded.
A 3rd glitch considerations Microsoft’s Distant Desktop Companies. One other bug added with the Sept. 8 Patch Tuesday rollout, this glitch might trigger RDS to change into unstable, result in login failures, or back-end server unresponsiveness.
Additionally: Microsoft fixes 421 bugs and a Home windows zero-day in August Patch Tuesday – replace ASAP
The opposite bug impacts Microsoft’s Hyper-V digital machine platform. On this case, purposes that use HCS-managed digital machines (VMs) bumped into points when sharing the host folder with Linux VMs utilizing the open-source Plan 9 working system from Bell Labs.
To seize the replace, head to Settings and choose Home windows Replace. In Home windows 11 26H2, search for an replace labeled “2026-09 Safety Replace (KB5129195).” In Home windows 11 25H2 or 24H2, search for one named “2026-09 Safety Replace (KB5129194).”
When you see the replace, click on the button to obtain and set up it. If not, click on the button to examine for updates, and the appropriate replace on your model of Home windows ought to seem.
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