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CVE-2021-34458

Severity
CRITICAL
CVSS
9.9
EPSS
0.02625
Risk score
40.52
CISA KEV
No
PoC
No
Published
2021-07-16
Modified
2026-08-10
First seen
2026-08-08
Aliases
EUVD-2021-21113, GHSA-35FH-HCWR-MCV6
Products
Microsoft:Windows Server 2016 (Server Core installation) 10.0.0 <10.0.14393.4530, Microsoft:Windows Server 2016 (Server Core installation) 10.0.14393.0 <10.0.14393.4530, Microsoft:Windows Server 2016 10.0.0 <10.0.14393.4530, Microsoft:Windows Server 2016 10.0.14393.0 <10.0.14393.4530, Microsoft:Windows Server 2019 (Server Core installation) 10.0.0 <10.0.17763.2061, Microsoft:Windows Server 2019 (Server Core installation) 10.0.17763.0 <10.0.17763.2061, Microsoft:Windows Server 2019 10.0.0 <10.0.17763.2061, Microsoft:Windows Server 2019 10.0.17763.0 <10.0.17763.2061, Microsoft:Windows Server version 2004 10.0.0 <10.0.19041.1110, Microsoft:Windows Server version 20H2 10.0.0 <10.0.19042.1110, microsoft:windows_server_2016, microsoft:windows_server_2019
Sources
nvd CVE-2021-34458
euvd EUVD-2021-21113

Description

Windows Kernel Remote Code Execution Vulnerability

References