CVE-2021-34450

HighCVSS 8.5/10Last modified Aug 10, 2026

Description

Windows Hyper-V Remote Code Execution Vulnerability

Metrics

CVSS 3.1 8.5/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.2061
MicrosoftWindows 10 Version 1909>= 10.0.0, < 10.0.18363.1679
MicrosoftWindows 10 Version 2004>= 10.0.0, < 10.0.19041.1110
MicrosoftWindows 10 Version 21H1>= 10.0.0, < 10.0.19043.1110
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.2061
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.2061
MicrosoftWindows Server version 2004>= 10.0.0, < 10.0.19041.1110
MicrosoftWindows Server version 20H2>= 10.0.0, < 10.0.19042.1110

References

Timeline

Published
Jul 16, 2021
Last modified
Aug 10, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-344515.3Microsoft Office Online Server Spoofing VulnerabilityCVE-2021-344527.8Microsoft Word Remote Code Execution VulnerabilityCVE-2021-344537.5Microsoft Exchange Server Denial of Service VulnerabilityCVE-2021-344545.5Windows Remote Access Connection Manager Information Disclosure VulnerabilityCVE-2021-344557.8Windows File History Service Elevation of Privilege VulnerabilityCVE-2021-344567.8Windows Remote Access Connection Manager Elevation of Privilege VulnerabilityCVE-2021-344575.5Windows Remote Access Connection Manager Information Disclosure VulnerabilityCVE-2021-344589.9Windows Kernel Remote Code Execution VulnerabilityCVE-2021-344597.8Windows AppContainer Elevation Of Privilege VulnerabilityCVE-2021-34465.5A flaw was found in libtpms in versions before 0.8.2. The commonly used integration of libtpms with OpenSSL contained a vulnerability relateCVE-2021-344607.8Windows Storage Spaces Controller Elevation of Privilege VulnerabilityCVE-2021-344617.8Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability
CVE-2021-34450: High severity, CVSS 8.5 | Vulnix