CVE-2021-26867 - Vulnerability Details - OpenCVE

ReportizFlow

Windows Hyper-V Remote Code Execution Vulnerability

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	Windows 10 Windows 10 1809 Windows 10 1909 Windows Server 1909 Windows Server 2004 Windows Server 2016 Windows Server 20h2

Configuration 1 [-]

OR	cpe:2.3:o:microsoft:windows_10:20h2::::::x64:
	cpe:2.3:o:microsoft:windows_10:1909::::::x64:
	cpe:2.3:o:microsoft:windows_10:2004::::::x64:
	cpe:2.3:o:microsoft:windows_server_2016:20h2:::::::*
	cpe:2.3:o:microsoft:windows_server_2016:1909:::::::*
	cpe:2.3:o:microsoft:windows_server_2016:2004:::::::*

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26867
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26867

History

Wed, 19 Aug 2026 16:45:00 +0000

Type	Values Removed	Values Added
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26867

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2021-03-11T15:38:38.000Z

Updated: 2026-08-19T16:30:21.313Z

Reserved: 2021-02-08T00:00:00.000Z

Link: CVE-2021-26867

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-03-11T16:15:14.503

Modified: 2026-08-19T17:17:40.590

Link: CVE-2021-26867

Redhat

No data.

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