CVE-2021-34484: Windows User Profile Service Elevation of Privilege Vulnerability

Published Aug 10, 2021
·
Updated

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

Other sources

Windows User Profile Service Elevation of Privilege Vulnerability

— NVD

Affected Software

70 affected componentsFixes available
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows
Microsoft Windows 10 1507<10.0.10240.19022
Microsoft Windows 10 1607<10.0.14393.4583
Microsoft Windows 10 1809<10.0.17763.2114
Microsoft Windows 10 1909<10.0.18363.1734
Microsoft Windows 10 2004<10.0.19041.1165
Microsoft Windows 10 20h2<10.0.19042.1165
Microsoft Windows 10 21h1<10.0.19043.1165
Microsoft Windows Server 2004<10.0.19041.1165
Microsoft Windows Server 2016<10.0.14393.4583
Microsoft Windows Server 2019<10.0.17763.2114
Microsoft Windows Server 20h2<10.0.19042.1165
Microsoft Windows Server 2008 R2<6.1.7601.25685
6.1.7601.25685
Microsoft Windows Server 2012 R2<6.3.9600.20094
6.3.9600.20094
Microsoft Windows Server 2008<6.0.6003.21192
6.0.6003.21192
Microsoft Windows RT 8.1<6.3.9600.20094
6.3.9600.20094
Microsoft Windows 8.1 for 32-bit systems<6.3.9600.20094
6.3.9600.20094
Microsoft Windows Server 2008 R2<6.1.7601.25685
6.1.7601.25685
Microsoft Windows 7<6.1.7601.25685
6.1.7601.25685
Microsoft Windows Server 2008<6.0.6003.21192
6.0.6003.21192
Microsoft Windows Server 2008<6.0.6003.21192
6.0.6003.21192
Microsoft Windows Server 2008<6.0.6003.21192
6.0.6003.21192
Microsoft Windows Server 2016<10.0.14393.4583
10.0.14393.4583
Microsoft Windows 10=1607
10.0.14393.4583
Microsoft Windows Server 2012 R2<6.3.9600.20094
6.3.9600.20094
Microsoft Windows 8.1 for x64-based systems<6.3.9600.20094
6.3.9600.20094
Microsoft Windows 10<10.0.10240.19022
10.0.10240.19022
Microsoft Windows 10=1607
10.0.14393.4583
Microsoft Windows 10=20H2
10.0.19042.1165
Microsoft Windows Server=2004
10.0.19041.1165
Microsoft Windows 10=2004
10.0.19041.1165
Microsoft Windows 10=2004
10.0.19041.1165
Microsoft Windows 10=21H1
10.0.19043.1165
Microsoft Windows 10<10.0.10240.19022
10.0.10240.19022
Microsoft Windows Server=20H2
10.0.19042.1165
Microsoft Windows 10=21H1
10.0.19043.1165
Microsoft Windows 7<6.1.7601.25685
6.1.7601.25685
Microsoft Windows 10=2004
10.0.19041.1165
Microsoft Windows 10=21H1
10.0.19043.1165
Microsoft Windows 10=20H2
10.0.19042.1165
Microsoft Windows 10=1909
10.0.18363.1734
Microsoft Windows 10=1909
10.0.18363.1734
Microsoft Windows Server 2019<10.0.17763.2114
10.0.17763.2114
Microsoft Windows 10=1809
10.0.17763.2114
Microsoft Windows 10=1909
10.0.18363.1734
Microsoft Windows Server 2019<10.0.17763.2114
10.0.17763.2114
Microsoft Windows Server 2012<6.2.9200.23435
6.2.9200.23435
Microsoft Windows Server 2016<10.0.14393.4583
10.0.14393.4583
Microsoft Windows 10=1809
10.0.17763.2114
Microsoft Windows 10=20H2
10.0.19042.1165
Microsoft Windows 10=1809
10.0.17763.2114
Microsoft Windows Server 2012<6.2.9200.23435
6.2.9200.23435

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34484

Patch Available

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34484

Event History

Aug 10, 2021
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionSeverity
Updated
via Microsoft·02:00 PM
SeverityAffected Software
Aug 12, 2021
CVE Published
via MITRE·06:11 PM
Data Sourced
via MITRE·06:11 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityAffected Software
Mar 31, 2022
Known Exploited
via CISA·12:00 AM
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Frequently Asked Questions

1

What is the severity of CVE-2021-34484?

CVE-2021-34484 has a high-severity rating as it allows privilege escalation in affected Microsoft Windows versions.

2

How do I fix CVE-2021-34484?

To fix CVE-2021-34484, ensure your Microsoft Windows is updated to the latest version provided by Microsoft.

3

Which Microsoft Windows versions are affected by CVE-2021-34484?

CVE-2021-34484 affects multiple versions, including Windows 7, 8.1, 10, and several Windows Server editions.

4

Can CVE-2021-34484 be exploited remotely?

CVE-2021-34484 requires local access to the system, meaning it cannot be exploited remotely without prior access.

5

What type of vulnerability is CVE-2021-34484?

CVE-2021-34484 is categorized as an Elevation of Privilege vulnerability in the Microsoft Windows User Profile Service.

Company

Resources

Contact

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