CVECVE-2021-34523
Microsoft Exchange Server Privilege Escalation Vulnerability
ATT&CKT1190exploitation
P1added 2021-11-03due 2021-11-17
Known Exploited Vulnerabilities from CISA, cross-referenced against ingested MENA cases. “MENA-relevant” means a CVE surfaced in a tracked case — not the full undifferentiated catalog. Each carries a remediation priority (P1–P3) so it's clear which to patch first, and why. For direct SIEM/SOAR ingestion, the same data is available as a machine-readable JSON feed →.