Microsoft Investigating Issue Impacting Exchange Online, Teams, and M365 Suite
ID: 2cd30382-4bf5-5656-b9e2-4f12c662da11
STIX ID: report--2cd30382-4bf5-5656-b9e2-4f12c662da11
Feed Name: cybersecurityNews.com
Microsoft confirmed an ongoing Microsoft 365 service incident (MO1220495) starting January 21, 2026, affecting Exchange Online, Teams, and the broader Microsoft 365 suite, resulting in intermittent access failures and latency; engineers are investigating a possible third-party networking issue, with scope still undetermined and no ETR given, and admins advised to monitor the Service Health Dashboard for updates.
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