CVE-2021-40461 — HIGH (8.0)

Vulnerability Description

Windows Hyper-V Remote Code Execution Vulnerability

CVSS Score

8.0

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 10	20h2
Microsoft	Windows 11	-
Microsoft	Windows Server	20h2
Microsoft	Windows Server 2016	2004
Microsoft	Windows Server 2019	-
Microsoft	Windows Server 2022	All versions

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4046PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4046PatchVendor Advisory

FAQ

What is CVE-2021-40461?

CVE-2021-40461 is a vulnerability with a CVSS score of 8.0 (HIGH). Windows Hyper-V Remote Code Execution Vulnerability

How severe is CVE-2021-40461?

CVE-2021-40461 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-40461?

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