Windows 11 out-of-band update fixes audio glitch and other bugs – grab it now
Microsoft has released an out-of-band update for Windows 11 to resolve a critical audio glitch affecting legacy USB devices. The patch also addresses two security vulnerabilities and stability issues in Remote Desktop Services and Hyper-V. Users can install the fix through Windows Update to restore proper audio functionality and system security.
- ▪The update fixes an audio bug introduced in the September 8 security patch that prevented sound from playing on USB Audio Class 1.0 devices.
- ▪Two security vulnerabilities, CVE-2026-62721 and CVE-2026-85921, were patched to prevent remote system-level privilege escalation and local data access.
- ▪Additional fixes address instability in Microsoft Remote Desktop Services and file-sharing issues with Linux VMs in Hyper-V.
- ▪The out-of-band patch is available for Windows 11 versions 26H2, 25H2, and 24H2 via Windows Update.
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Business > Companies > Microsoft Windows 11 out-of-band update fixes audio glitch and other bugs – grab it now The latest out-of-band update resolves a few problems in Windows 11, including one that cut off the sound for certain USB audio devices. Lance Whitney Lance Whitney is a technology journalist with an IT background. He's written for TechRepublic, PCMag, Macworld, and Time, among others, He also teaches classes in AI, cybersecurity, and social media. Lance Whitney Read full bio September 16, 2026, 5:04 am ET 2 min read 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.
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