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Microsoft Releases Emergency Patch to Fix RDS Snafu

Infosecurity Magazineby Phil Muncaster ()2 min read1
AI summary · glm-5.3Summaries by Vani AI

Microsoft's out-of-band KB5129195 fixes September Patch Tuesday regressions breaking RDS connections, Hyper-V shared folders, and USB audio.

Microsoft released cumulative out-of-band update KB5129195 on September 14, 2026, fixing RDS instability causing failing RDP connections, sign-in issues, and hanging servers. The patch also resolves Hyper-V Plan9 shared-folder failures affecting WSL and Claude Cowork, plus USB Audio Class 1.0 device failures. This is Microsoft's sixth emergency patch after a September Patch Tuesday that fixed a record 974 CVEs.

Key facts
  • KB5129195 OOB update fixes RDS, Hyper-V, and USB audio regressions
  • RDS issues caused RDP failures and unresponsive MMC and File Explorer
  • September Patch Tuesday fixed a record 974 CVEs
  • Six emergency patches issued since September 8 Patch Tuesday
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From the original article

2 min read at infosecurity-magazine.com

Microsoft has been forced to issue an out-of-band fix for several issues stemming from this month’s Patch Tuesday

Infosecurity Magazine

By Phil Muncaster · infosecurity-magazine.com

Read the full article at Infosecurity Magazine

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.