Microsoft Exchange Zero-Day CVE-2026-42897: What You Need to Know
🚨 Critical security alert: Microsoft has disclosed a zero-day vulnerability in on-premises Exchange Server that is actively being exploited in the wild. If your organisation runs any on-prem Exchange deployment, this is your cue to act right now. What Happened? On May 14, 2026, Microsoft released an out-of-band security advisory for CVE-2026-42897 — a high-severity […]