CVE-2021-34484
HighActively exploited (CISA KEV)
Description
Windows User Profile Service Elevation of Privilege Vulnerability
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Windows
PublishedAug 12, 2021
First seenAug 12, 2021
Added to KEVMar 31, 2022
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Apr 21, 2022Update
- microsoft windows_10_150710.0.10240.19022 or later
- microsoft windows_10_160710.0.14393.4583 or later
- microsoft windows_10_180910.0.17763.2114 or later
- microsoft windows_10_190910.0.18363.1734 or later
- microsoft windows_10_200410.0.19041.1165 or later
- microsoft windows_10_20h210.0.19042.1165 or later
- microsoft windows_10_21h110.0.19043.1165 or later
- microsoft windows_server_200410.0.19041.1165 or later
- microsoft windows_server_201610.0.14393.4583 or later
- microsoft windows_server_201910.0.17763.2114 or later
- microsoft windows_server_20h210.0.19042.1165 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_10_1507 | v < 10.0.10240.19022 | 10.0.10240.19022 |
| microsoft windows_10_1607 | v < 10.0.14393.4583 | 10.0.14393.4583 |
| microsoft windows_10_1809 | v < 10.0.17763.2114 | 10.0.17763.2114 |
| microsoft windows_10_1909 | v < 10.0.18363.1734 | 10.0.18363.1734 |
| microsoft windows_10_2004 | v < 10.0.19041.1165 | 10.0.19041.1165 |
| microsoft windows_10_20h2 | v < 10.0.19042.1165 | 10.0.19042.1165 |
| microsoft windows_10_21h1 | v < 10.0.19043.1165 | 10.0.19043.1165 |
| microsoft windows_7 | No range specified | — |
| microsoft windows_8.1 | No range specified | — |
| microsoft windows_rt_8.1 | No range specified | — |
| microsoft windows_server_2004 | v < 10.0.19041.1165 | 10.0.19041.1165 |
| microsoft windows_server_2008 | No range specified, r2 | — |
| microsoft windows_server_2012 | No range specified, r2 | — |
| microsoft windows_server_2016 | v < 10.0.14393.4583 | 10.0.14393.4583 |
| microsoft windows_server_2019 | v < 10.0.17763.2114 | 10.0.17763.2114 |
| microsoft windows_server_20h2 | v < 10.0.19042.1165 | 10.0.19042.1165 |
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