CVE-2021-42274 — MEDIUM (6.8)

Vulnerability Description

Windows Hyper-V Discrete Device Assignment (DDA) Denial of Service Vulnerability

CVSS Score

6.8

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 10	20h2
Microsoft	Windows 11	-
Microsoft	Windows Server 2016	-
Microsoft	Windows Server 2019	-
Microsoft	Windows Server 2022	-

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4227PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4227PatchVendor Advisory

FAQ

What is CVE-2021-42274?

CVE-2021-42274 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Windows Hyper-V Discrete Device Assignment (DDA) Denial of Service Vulnerability

How severe is CVE-2021-42274?

CVE-2021-42274 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42274?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022.