CVE-2021-40450CISA KEVEPSS p78.4%

CVE-2021-40450Microsoft Win32k Privilege Escalation Vulnerability

Microsoft / Win32k

Description

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.

Scoring

EPSS1.97% probability of exploitation · percentile 78.4% · 2026-08-03T12:00:16Z

CISA KEV entry

Added to KEV: 2022-04-25

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Win32k Privilege Escalation Vulnerabilitykev-cve-2021-404500%live

Related by meaning· 1

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

CVE
Microsoft Windows Win32k Privilege Escalation Vulnerability
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.