CVE Vulnerability Advisory Database
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2021-11-10
Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2021-42321) Analysis and Mitigation Guide
[Affected Scope] On-premises Microsoft Exchange Server 2016 and 2019
[Impact] Authenticated attackers can execute arbitrary code with SYSTEM privileges, leading to full server compromise
[Mitigation] Immediately apply the official Microsoft Cumulative Update (CU) and Security Update (KB5007409)