CVE-2021-27065CISA KEVEPSS p100.0%

CVE-2021-27065Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft / Exchange Server

Description

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

Scoring

EPSS99.95% probability of exploitation · percentile 100.0% · 2026-06-18T12:00:27Z

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Exchange Server Remote Code Execution Vulnerabilitykev-cve-2021-270650%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
Microsoft Exchange Server Information Disclosure Vulnerability
CVE
CVE-2022-41082
CVE
Microsoft Exchange Server Security Feature Bypass Vulnerability
CVE
Microsoft Exchange Server Privilege Escalation Vulnerability
CVE
CVE-2022-41080
CVE
Microsoft Office Remote Code Execution Vulnerability
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.