CVE-2021-26867 — CRITICAL (9.9)

Vulnerability Description

Windows Hyper-V Remote Code Execution Vulnerability

CVSS Score

9.9

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

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 Server 2016	20h2

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2686PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-2686PatchVendor Advisory

FAQ

What is CVE-2021-26867?

CVE-2021-26867 is a vulnerability with a CVSS score of 9.9 (CRITICAL). Windows Hyper-V Remote Code Execution Vulnerability

How severe is CVE-2021-26867?

CVE-2021-26867 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26867?

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