Microsoft’s October 2025 Windows 11 update has introduced an unexpected connectivity issue affecting developers and IT professionals worldwide. The security patch KB5066835, released on October 14, 2025, for OS Builds 26200.6899 and 26100.6899, has disrupted localhost connections, preventing applications from accessing services running on the loopback address 127.0.0.1. The update, which primarily addressed security vulnerabilities […] The post Microsoft Windows 11 October Update Disrupts Localhost (127.0.0.1) Connectivity appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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