Microsoft’s January 2026 security update has disrupted enterprise Remote Desktop infrastructure, triggering widespread credential prompt failures that prevent users from accessing Azure Virtual Desktop and Windows 365 environments.   The problematic patch KB5074109, released January 13, 2026, introduced an authentication regression affecting Windows 11 versions 24H2 and 25H2 running builds 26100.7623 and 26200.7623. The issue manifests as immediate sign-in failures when […]

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Source: gbHackers
Source Link: https://gbhackers.com/microsoft-january-2026-security-update-triggers-credential-prompt-failures/