CVE-2021-31207CISA KEVEPSS p100.0%

CVE-2021-31207Microsoft Exchange Server Security Feature Bypass Vulnerability

Microsoft / Exchange Server

Description

Microsoft Exchange Server contains an unspecified vulnerability that allows for security feature bypass.

Scoring

EPSS99.78% probability of exploitation · percentile 100.0% · 2026-06-15T12:03:41Z

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Exchange Server Security Feature Bypass Vulnerabilitykev-cve-2021-312070%live

Related by meaning· 6

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

CVE
Microsoft Exchange Server Information Disclosure Vulnerability
CVE
Microsoft Exchange Server Privilege Escalation Vulnerability
CVE
Microsoft Exchange Server Information Disclosure
CVE
Microsoft Exchange Server Remote Code Execution Vulnerability
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Microsoft Outlook Security Feature Bypass Vulnerability
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CVE-2026-48579
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.