TechNadu@technadu@infosec.exchange
🚨
Microsoft Hybrid Exchange Vulnerability – CVE-2025-53786 🚨
CISA issues Emergency Directive — flaw allows on-prem admins to escalate into Exchange Online → domain takeover.
✅
Inventory servers
✅ Patch (April 2025 Hotfix)
✅ Remove unused hybrid configs
✅ Run Health Checker
#CISA #Microsoft #Exchange #HybridSecurity #CVE202553786 #Infosec