A live, actively targetable flaw in on-premises Microsoft Exchange is sitting unpatched on roughly 22,000 servers worldwide and for many small and mid-size businesses, the safety net (extended security support) runs out next month, turning a patching task into a hard deadline.

AI phishing attacks are making familiar cyber scams faster, more convincing, and harder for employees to recognize. Recent 2026 threat intelligence shows attackers expanding beyond email into Microsoft Teams, voice calls, trusted cloud services, and highly personalized messages. For businesses, protecting Microsoft 365 identities and training employees to verify unusual requests has become increasingly important.