All vulnerabilities
CVE-2021-34484

Microsoft Windows User Profile Service Privilege Escalation Vulnerability

Microsoft WindowsOperating systems
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 31 Mar 2022CISA KEV
Exploit odds (EPSS)21.8%Chance of exploitation activity in the next 30 days, higher than 97% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.10240.19022Also 10.0.14393.4583, 10.0.17763.2114 and 8 moreCVE List
Federal deadline21 Apr 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

  • 10.0.10240.19022Windows 10 Version 1507CVE List
  • 10.0.14393.4583Windows 10 Version 1607CVE List
  • 10.0.17763.2114Windows 10 Version 1809CVE List
  • 10.0.18363.1734Windows 10 Version 1909CVE List
  • 10.0.19041.1165Windows 10 Version 2004CVE List
  • 10.0.19042.1165Windows 10 Version 20H2CVE List
Show all 24 fixed versions
  • 10.0.19043.1165Windows 10 Version 21H1CVE List
  • 6.1.7601.25685Windows 7CVE List
  • 6.1.7601.25685Windows 7 Service Pack 1CVE List
  • 6.3.9600.20094Windows 8.1CVE List
  • 6.1.7601.25685Windows Server 2008 R2 Service Pack 1CVE List
  • 6.1.7601.25685Windows Server 2008 R2 Service Pack 1 (Server Core installation)CVE List
  • 6.0.6003.21192Windows Server 2008 Service Pack 2CVE List
  • 6.0.6003.21192Windows Server 2008 Service Pack 2 (Server Core installation)CVE List
  • 6.2.9200.23435Windows Server 2012CVE List
  • 6.2.9200.23435Windows Server 2012 (Server Core installation)CVE List
  • 6.3.9600.20094Windows Server 2012 R2CVE List
  • 6.3.9600.20094Windows Server 2012 R2 (Server Core installation)CVE List
  • 10.0.14393.4583Windows Server 2016CVE List
  • 10.0.14393.4583Windows Server 2016 (Server Core installation)CVE List
  • 10.0.17763.2114Windows Server 2019CVE List
  • 10.0.17763.2114Windows Server 2019 (Server Core installation)CVE List
  • 10.0.19041.1165Windows Server version 2004CVE List
  • 10.0.19042.1165Windows Server version 20H2CVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 12 Aug 2021, 18:11 UTCPublishedCVE List
  2. 31 Mar 2022Added to CISA KEVCISA KEV

Description

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

Text from CVE List

Affected versions 25

  • Windows 10 Version 1507affected: 10.0.10240.0 before 10.0.10240.19022CVE List
  • Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.4583CVE List
  • Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.2114CVE List
  • Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.2114CVE List
  • Windows 10 Version 1909affected: 10.0.0 before 10.0.18363.1734CVE List
  • Windows 10 Version 2004affected: 10.0.0 before 10.0.19041.1165CVE List
  • Windows 10 Version 20H2affected: 10.0.0 before 10.0.19042.1165CVE List
  • Windows 10 Version 21H1affected: 10.0.0 before 10.0.19043.1165CVE List
  • Windows 7affected: 6.1.0 before 6.1.7601.25685CVE List
  • Windows 7 Service Pack 1affected: 6.1.0 before 6.1.7601.25685CVE List
  • Windows 8.1affected: 6.3.0 before 6.3.9600.20094CVE List
  • Windows Server 2008 R2 Service Pack 1affected: 6.1.7601.0 before 6.1.7601.25685CVE List
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation)affected: 6.1.7601.0 before 6.1.7601.25685CVE List
  • Windows Server 2008 Service Pack 2affected: 6.0.6003.0 before 6.0.6003.21192CVE List
  • Windows Server 2008 Service Pack 2 (Server Core installation)affected: 6.0.6003.0 before 6.0.6003.21192CVE List
  • Windows Server 2012affected: 6.2.9200.0 before 6.2.9200.23435CVE List
  • Windows Server 2012 (Server Core installation)affected: 6.2.9200.0 before 6.2.9200.23435CVE List
  • Windows Server 2012 R2affected: 6.3.9600.0 before 6.3.9600.20094CVE List
  • Windows Server 2012 R2 (Server Core installation)affected: 6.3.9600.0 before 6.3.9600.20094CVE List
  • Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.4583CVE List
  • Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.4583CVE List
  • Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.2114CVE List
  • Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.2114CVE List
  • Windows Server version 2004affected: 10.0.0 before 10.0.19041.1165CVE List
  • Windows Server version 20H2affected: 10.0.0 before 10.0.19042.1165CVE List

References 4