CVE-2021-26898

HighCVSS 7.8/10Last modified Aug 19, 2026

Description

Windows Event Tracing Elevation of Privilege Vulnerability

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1507>= 10.0.10240.0, < 10.0.10240.18874
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.4283
MicrosoftWindows 10 Version 1803>= 10.0.0, < 10.0.17134.2087
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.1817
MicrosoftWindows 10 Version 1809>= 10.0.0, < 10.0.17763.1817
MicrosoftWindows 10 Version 1909>= 10.0.0, < 10.0.18363.1440
MicrosoftWindows 10 Version 2004>= 10.0.0, < 10.0.19043.867
MicrosoftWindows 10 Version 20H2>= 10.0.0, < 10.0.19043.867
MicrosoftWindows 7>= 6.1.0, < 6.1.7601.24566
MicrosoftWindows 7 Service Pack 1>= 6.1.0, < 6.1.7601.24566
MicrosoftWindows 8.1>= 6.3.0, < 6.3.9600.19968
MicrosoftWindows Server 2008 R2 Service Pack 1>= 6.1.7601.0, < 6.1.7601.24566
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)>= 6.1.7601.0, < 6.1.7601.24566
MicrosoftWindows Server 2008 Service Pack 2>= 6.0.6003.0, < 6.0.6003.21070
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)>= 6.0.6003.0, < 6.0.6003.21070
MicrosoftWindows Server 2012>= 6.2.9200.0, < 6.2.9200.23298
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.23298
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.19968
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.19968
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.4283
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.4283
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.1817
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.1817
MicrosoftWindows Server version 2004>= 10.0.0, < 10.0.19043.867
MicrosoftWindows Server version 20H2>= 10.0.0, < 10.0.19043.867
MicrosoftWindows Server, version 1909 (Server Core installation)>= 10.0.0, < 10.0.18363.1440

References

Timeline

Published
Mar 11, 2021
Last modified
Aug 19, 2026
NVD status
Modified

Related CVEs from 2021

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CVE-2021-26898: High severity, CVSS 7.8 | Vulnix