CVE-2021-38672

Windows Hyper-V Remote Code Execution Vulnerability

View on CVE.org

Published Oct 13, 2021 CVSS 3.1 · 8 High EPSS 1.1% KEV · Not listed

Description

Windows Hyper-V Remote Code Execution Vulnerability

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Microsoft

Windows Server 2022

affected

Version	Status	Constraints
`10.0.0`	affected	< 10.0.20348.288

Microsoft

Windows 11 version 21H2

affected

Version	Status	Constraints
`10.0.0`	affected	< 10.0.22000.258

Configuration 1 [-]

OR	cpe:2.3:o:microsoft:windows_11:-::::::x64:
	cpe:2.3:o:microsoft:windows_server_2022::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-25111	Windows Hyper-V Remote Code Execution Vulnerability

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.090% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38672

History

Feb 24, 2026 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Microsoft Windows 11 Windows 11 21h2 Windows Server 2022

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Aug 4, 2024, 1:51 AM

Status: PUBLISHED
Assigner: microsoft
Published: Oct 13, 2021, 12:26 AM
Updated: Aug 4, 2024, 1:51 AM
Reserved: Aug 13, 2021, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 1:51 AM

Updated: Aug 4, 2024, 1:51 AM

NVD Updated: Jun 17, 2026, 4:02 AM

Status: Modified
Published: Oct 13, 2021, 1:15 AM
Modified: Jun 17, 2026, 4:02 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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