CVE-2021-33758 - Vulnerability Details - OpenCVE

Windows Hyper-V Denial of Service Vulnerability

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.02845.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Microsoft	Windows 10 Windows 10 1607 Windows Server 2016

Configuration 1 [-]

OR	cpe:2.3:o:microsoft:windows_10:1607::::::x64:
	cpe:2.3:o:microsoft:windows_server_2016:-:::::::*

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33758
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33758

History

Mon, 10 Aug 2026 15:30:00 +0000

Type	Values Removed	Values Added
CPEs	cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4530::::::x64: cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4530:::::::*	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:* cpe:2.3:o:microsoft:windows_server_2016::::::::
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33758

Tue, 01 Oct 2024 16:30:00 +0000

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

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2021-07-14T17:53:32.000Z

Updated: 2026-08-10T15:11:00.379Z

Reserved: 2021-05-28T00:00:00.000Z

Link: CVE-2021-33758

Vulnrichment

Updated: 2024-08-03T23:58:22.920Z

NVD

Status : Modified

Published: 2021-07-14T18:15:10.137

Modified: 2026-08-10T16:17:38.960

Link: CVE-2021-33758

Redhat

No data.

OpenCVE Enrichment

No data.

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