CVE-2021-34458
Windows Kernel Remote Code Execution Vulnerability
CVE-2021-34458 is fixed in 6 products on 1 platform, first by KB5004238, released July 13, 2021. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.9
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0263
85th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows Server 2016 | 14393.4530 | KB5004238 | Jul 13, 2021 |
| Windows Server 2016 (Server Core installation) | 14393.4530 | KB5004238 | Jul 13, 2021 |
| Windows Server 2019 | 17763.2061 | KB5004244 | Jul 13, 2021 |
| Windows Server 2019 (Server Core installation) | 17763.2061 | KB5004244 | Jul 13, 2021 |
| Windows Server, version 2004 (Server Core installation) | KB5004237 | Jul 13, 2021 | |
| Windows Server, version 20H2 (Server Core Installation) | KB5004237 | Jul 13, 2021 | |
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