Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026-21509, a security ...
Microsoft has released emergency security updates to patch a high-severity Office zero-day vulnerability exploited in attacks ...
Microsoft suggests the threat is being used in phishing attacks against vulnerable systems since successful exploitation ...
Microsoft confirms major outage disrupting Outlook, Teams and Microsoft 365 for tens of thousands of users nationwide.
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