Windows 11 emergency update: Microsoft races to fix Patch Tuesday bugs
Microsoft released an emergency out-of-band patch to fix bugs introduced by its September 2026 Patch Tuesday update. The new update addresses stability issues with Remote Desktop Services and audio devices, while also patching two actively exploited zero-day vulnerabilities.
Why it matters
Frequent emergency patches highlight the ongoing security challenges in maintaining complex operating systems and the risks posed by actively exploited zero-day vulnerabilities.
Microsoft's big September 2026 Patch Tuesday update addressed a record 966 flaws, including two actively exploited zero-day vulnerabilities, across Microsoft products when it was released last week on Sept. 8.However, just one week later on Sept. 14, Microsoft rolled out an emergency, out-of-band patch for the patch. The linked update, KB5129194, applies to Windows 11 version 26H1. Windows 11 users should install the latest update available for their version as soon as possible to get the security updates from Patch Tuesday and receive the fixes in the latest patch.According to reports, while last Tuesday's update fixed a number of vulnerabilities, it caused its fair share of issues as well.
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