CVE-2021-34450

HIGH

Windows 10 and Windows Server 2016/2019 - Remote Code Execution

Title source: llm

Windows Hyper-V Remote Code Execution Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 8.5

EPSS 0.0220

EPSS Percentile 80.7%

Attack Vector NETWORK

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

Status published

Products (8)

microsoft/windows_10 20h2

microsoft/windows_10 21h1

microsoft/windows_10 1809

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_server_2016 20h2

microsoft/windows_server_2016 2004

microsoft/windows_server_2019

Published Jul 16, 2021

Tracked Since Feb 18, 2026