CVE-2021-28476

critical

Description

Windows Hyper-V Remote Code Execution Vulnerability

References

https://www.tenable.com/blog/microsoft-s-may-2021-patch-tuesday-addresses-55-cves-cve-2021-31166

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28476

http://packetstormsecurity.com/files/163497/Microsoft-Hyper-V-vmswitch.sys-Proof-Of-Concept.html

Details

Source: Mitre, NVD

Published: 2021-05-11

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: Critical