Windows 11 March Update Breaks Microsoft Teams and OneDrive Sign-Ins
ID: c8cb7999-732c-5364-82cc-6b5bba3d3779
STIX ID: report--c8cb7999-732c-5364-82cc-6b5bba3d3779
Feed Name: cybersecurityNews.com
Microsoft acknowledged that the March 10, 2026 cumulative update (KB5079473) for Windows 11 (OS Build 26100.8037) introduced a bug preventing Microsoft account sign-ins for consumer apps—including Teams Free, OneDrive, Edge, and Office—by putting devices into a faulty network connectivity state; Microsoft confirmed the issue, provided a workaround (restart while connected to the internet), and is working on a fix.
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