CVE-2021-26901
Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-26901 is fixed in 41 products on 1 platform, first by KB5000803, released March 9, 2021. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0082
57th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.4283 | KB5000803 | Mar 9, 2021 |
| Windows 10 Version 1607 for x64-based Systems | 14393.4283 | KB5000803 | Mar 9, 2021 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.2087 | KB5000809 | Mar 9, 2021 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.2087 | KB5000809 | Mar 9, 2021 |
| Windows 10 Version 1803 for x64-based Systems | 17134.2087 | KB5000809 | Mar 9, 2021 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.1817 | KB5000822 | Mar 9, 2021 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.1817 | KB5000822 | Mar 9, 2021 |
| Windows 10 Version 1809 for x64-based Systems | 17763.1817 | KB5000822 | Mar 9, 2021 |
| Windows 10 Version 1909 for 32-bit Systems | 18363.1440 | KB5000808 | Mar 9, 2021 |
| Windows 10 Version 1909 for ARM64-based Systems | 18363.1440 | KB5000808 | Mar 9, 2021 |
| Windows 10 Version 1909 for x64-based Systems | 18363.1440 | KB5000808 | Mar 9, 2021 |
| Windows 10 Version 2004 for 32-bit Systems | KB5000802 | Mar 9, 2021 | |
| Windows 10 Version 2004 for ARM64-based Systems | KB5000802 | Mar 9, 2021 | |
| Windows 10 Version 2004 for x64-based Systems | KB5000802 | Mar 9, 2021 | |
| Windows 10 Version 20H2 for 32-bit Systems | KB5000802 | Mar 9, 2021 | |
| Windows 10 Version 20H2 for ARM64-based Systems | KB5000802 | Mar 9, 2021 | |
| Windows 10 Version 20H2 for x64-based Systems | KB5000802 | Mar 9, 2021 | |
| Windows 10 for 32-bit Systems | 10240.18874 | KB5000807 | Mar 9, 2021 |
| Windows 10 for x64-based Systems | 10240.18874 | KB5000807 | Mar 9, 2021 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB5000841 | Mar 9, 2021 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB5000851 | Mar 9, 2021 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB5000841 | Mar 9, 2021 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB5000851 | Mar 9, 2021 | |
| Windows 8.1 for 32-bit systems | KB5000853 | Mar 9, 2021 | |
| Windows 8.1 for 32-bit systems | KB5000848 | Mar 9, 2021 | |
| Windows 8.1 for x64-based systems | KB5000853 | Mar 9, 2021 | |
| Windows 8.1 for x64-based systems | KB5000848 | Mar 9, 2021 | |
| Windows RT 8.1 | KB5000848 | Mar 9, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5000841 | Mar 9, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5000851 | Mar 9, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5000841 | Mar 9, 2021 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5000851 | Mar 9, 2021 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5000856 | Mar 9, 2021 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5000844 | Mar 9, 2021 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5000856 | Mar 9, 2021 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB5000844 | Mar 9, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5000856 | Mar 9, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB5000844 | Mar 9, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5000856 | Mar 9, 2021 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB5000844 | Mar 9, 2021 | |
| Windows Server 2012 | KB5000840 | Mar 9, 2021 | |
| Windows Server 2012 | KB5000847 | Mar 9, 2021 | |
| Windows Server 2012 (Server Core installation) | KB5000840 | Mar 9, 2021 | |
| Windows Server 2012 (Server Core installation) | KB5000847 | Mar 9, 2021 | |
| Windows Server 2012 R2 | KB5000853 | Mar 9, 2021 | |
| Windows Server 2012 R2 | KB5000848 | Mar 9, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB5000853 | Mar 9, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB5000848 | Mar 9, 2021 | |
| Windows Server 2016 | 14393.4283 | KB5000803 | Mar 9, 2021 |
| Windows Server 2016 (Server Core installation) | 14393.4283 | KB5000803 | Mar 9, 2021 |
| Windows Server 2019 | 17763.1817 | KB5000822 | Mar 9, 2021 |
| Windows Server 2019 (Server Core installation) | 17763.1817 | KB5000822 | Mar 9, 2021 |
| Windows Server, version 1909 (Server Core installation) | 18363.1440 | KB5000808 | Mar 9, 2021 |
| Windows Server, version 2004 (Server Core installation) | KB5000802 | Mar 9, 2021 | |
| Windows Server, version 20H2 (Server Core Installation) | KB5000802 | Mar 9, 2021 | |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.