CVE-2021-42287CISA KEVEPSS p99.5%

CVE-2021-42287Microsoft 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

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS77.17% probability of exploitation · percentile 99.5% · 2026-10-03T12:00:21Z
Last modified2026-08-19

CISA KEV entry

Added to KEV: 2022-04-11

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Active Directory Domain Services Privilege Escalation Vulnerabilitykev-cve-2021-422870%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.