CVE-2021-42278CISA KEVEPSS p99.3%

CVE-2021-42278Microsoft Active Directory Domain Services Privilege Escalation Vulnerability

Microsoft / Active Directory

Description

Microsoft Active Directory Domain Services contains an unspecified vulnerability that allows for privilege escalation.

Scoring

EPSS70.21% probability of exploitation · percentile 99.3% · 2026-06-18T12:00:27Z

CISA KEV entry

Added to KEV: 2022-04-11

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Active Directory Domain Services Privilege Escalation Vulnerabilitykev-cve-2021-422780%live

Related by meaning· 6

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

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.