Microsoft releases multiple emergency fixes for Windows 11
Microsoft released a series of out-of-band (OOB) updates for Windows 11 24H2 and 25H2 after problematic September patches. Update KB5129195 fixes Remote Desktop Services crashes, Hyper-V shared folder issues for Linux VMs, and USB audio device operation in multichannel mode.
- KB5129195 closes UMPS privilege escalation flaw CVE-2026-62721
- Fixed RDP connection failures and server hangs after KB5122880
- Fixed Plan9 shared folders between Windows host and Linux VMs in Hyper-V
- Restored USB Audio Class 1.0 in 8-channel and 3D modes
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