CVE-2021-36942CISA KEVEPSS p99.3%

CVE-2021-36942Microsoft Windows Local Security Authority (LSA) Spoofing Vulnerability

Microsoft / Windows

Description

Microsoft Windows Local Security Authority (LSA) contains a spoofing vulnerability allowing an unauthenticated attacker to call a method on the LSARPC interface and coerce the domain controller to authenticate against another server using NTLM.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS66.02% probability of exploitation · percentile 99.3% · 2026-10-04T12:00:21Z
Last modified2026-08-10

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Windows Local Security Authority (LSA) Spoofing Vulnerabilitykev-cve-2021-369420%live

Related by meaning· 6

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

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