A critical security vulnerability, identified as CVE-2025-53786, has been discovered in hybrid deployments of Microsoft Exchange Server. This flaw allows attackers with local administrative access to escalate their privileges within connected cloud environments, posing significant risks to...
black hat conference
cisa
cloud security
cve-2025-53786
cyber threats
cybersecurity
exchangehotfixexchange online
exchange security
exchange server
hybrid deployment
privilege escalation
security best practices
security mitigation
security updates
service principal
vulnerability