CVE-2021-43246

Windows Hyper-V Denial of Service Vulnerability

CVE-2021-43246 is fixed in 12 products on 1 platform, first by KB5008218, released December 14, 2021. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.6
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0077
55th percentile

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1809 for x64-based Systems 17763.2366 KB5008218 Dec 14, 2021
Windows 10 Version 1909 for x64-based Systems 18363.1977 KB5008206 Dec 14, 2021
Windows 10 Version 2004 for x64-based Systems KB5008212 Dec 14, 2021
Windows 10 Version 21H1 for x64-based Systems KB5008212 Dec 14, 2021
Windows 10 Version 21H2 for x64-based Systems KB5008212 Dec 14, 2021
Windows 11 version 21H2 for x64-based Systems 22000.376 KB5008215 Dec 14, 2021
Windows Server 2019 17763.2366 KB5008218 Dec 14, 2021
Windows Server 2019 (Server Core installation) 17763.2366 KB5008218 Dec 14, 2021
Windows Server 2022 20348.405 KB5008223 Dec 14, 2021
Windows Server 2022 (Server Core installation) 20348.405 KB5008223 Dec 14, 2021
Windows Server, version 2004 (Server Core installation) KB5008212 Dec 14, 2021
Windows Server, version 20H2 (Server Core Installation) KB5008212 Dec 14, 2021

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