# CVE-2021-27065

> Microsoft Exchange Server Remote Code Execution Vulnerability

- **CVSS:** 7.8 (HIGH)
- **EPSS:** 94.3%
- **CISA KEV:** yes (known ransomware use)
- **CWE:** CWE-22

Canonical: https://intel.threadlinqs.com/cve/CVE-2021-27065
Full threat coverage + IOCs via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp