CVE-2021-34484CISA KEVEPSS p96.5%

CVE-2021-34484Microsoft Windows User Profile Service Privilege Escalation Vulnerability

Microsoft / Windows

Description

Microsoft Windows User Profile Service contains an unspecified vulnerability that allows for privilege escalation.

Scoring

EPSS15.62% probability of exploitation · percentile 96.5% · 2026-08-03T12:00:16Z

CISA KEV entry

Added to KEV: 2022-03-31

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Windows User Profile Service Privilege Escalation Vulnerabilitykev-cve-2021-344840%live

Related by meaning· 6

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

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CVE-2026-44810
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Microsoft Win32k Privilege Escalation Vulnerability
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.