boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2021-34484HIGH
Microsoft Windows 10 Version 1507 — Windows User Profile Service Elevation of Privilege Vulnerability
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  H  H  H    7.8   .2166   97.4   YES
AFFECTED
  Product                   Versions        Fixed
  Windows 10 Version 1507   10.0.10240.0 –  —
  Windows 10 Version 1607   10.0.14393.0 –  —
  Windows 10 Version 1809   10.0.17763.0 –  —
  Windows 10 Version 1809   10.0.0 –        —
  Windows 10 Version 1909   10.0.0 –        —
  Windows 10 Version 2004   10.0.0 –        —
  Windows 10 Version 20H2   10.0.0 –        —
  Windows 10 Version 21H1   10.0.0 –        —
  Windows 7                 6.1.0 –         —
  Windows 7 Service Pack 1  6.1.0 –         —
  + 15 more
TIMELINE
  Jun 9   Reserved by microsoft
  Mar 31  Added to CISA KEV, remediation due 2022-04-21
  Mar 31  Published (CNA: microsoft)
CNA: microsoft · CVSS v3.1 · 3 references · NVD status: Analyzed · KEV due April 21, 2022

Description

Windows User Profile Service Elevation of Privilege Vulnerability

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
June 9, 2021ReservedReserved by microsoft
March 31, 2022KEV ADDEDAdded to CISA KEV, remediation due 2022-04-21
March 31, 2022PublishedPublished (CNA: microsoft)

Affected

Affected products and packages — 25 rows
VendorProduct / PackageEcosystemVersion introducedFixed
MicrosoftWindows 10 Version 150710.0.10240.0
MicrosoftWindows 10 Version 160710.0.14393.0
MicrosoftWindows 10 Version 180910.0.17763.0
MicrosoftWindows 10 Version 180910.0.0
MicrosoftWindows 10 Version 190910.0.0
MicrosoftWindows 10 Version 200410.0.0
MicrosoftWindows 10 Version 20H210.0.0
MicrosoftWindows 10 Version 21H110.0.0
MicrosoftWindows 76.1.0
MicrosoftWindows 7 Service Pack 16.1.0
MicrosoftWindows 8.16.3.0
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0
MicrosoftWindows Server 20126.2.9200.0
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0
MicrosoftWindows Server 2012 R26.3.9600.0
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0
MicrosoftWindows Server 201610.0.14393.0
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0
MicrosoftWindows Server 201910.0.17763.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0
MicrosoftWindows Server version 200410.0.0
MicrosoftWindows Server version 20H210.0.0

References (3)

Related

Authoritative record: CVE-2021-34484 at cve.org

Vendors: microsoft

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-34484 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.