CVE-2021-31977

HIGH

Windows 10 and Windows Server 2016/2019 - Denial of Service in Hyper-V

Title source: llm

Windows Hyper-V Denial of Service Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 8.6

EPSS 0.0318

EPSS Percentile 86.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWE

CWE-119

Status published

Products (12)

microsoft/windows_10

microsoft/windows_10 20h2

microsoft/windows_10 21h1

microsoft/windows_10 1607

microsoft/windows_10 1809

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_server_2016

microsoft/windows_server_2016 20h2

microsoft/windows_server_2016 1909

... and 2 more

Published Jun 08, 2021

Tracked Since Feb 18, 2026