exchange server vulnerability

  1. Critical CVE-2025-53786 in Microsoft Exchange: Hybrid Attack Exploits & Security Remediation

    An alarming new vulnerability in Microsoft Exchange Server hybrid environments has sent shockwaves through the enterprise security landscape, giving attackers with just on-premises admin access the ability to hijack cloud accounts with near-complete impunity. Unveiled at Black Hat 2025 and now...
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    • access tokens cloud compromise cloud security cve-2025-53786 cyber threats cybersecurity enterprise security exchange hybrid architecture exchange server vulnerability hybrid authentication hybrid cloud security identity management identity perimeter microsoft exchange microsoft security update privilege escalation risk mitigation security advisories security best practices security patch
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    • Forum: Windows News