VULNERABILITY INTELLIGENCE

CVE-2021-28476

CVSS score9.9 CRITICAL

EPSS probability39.23%

CISA KEVNot currently listed

Published2021-05-11

Last modified2026-06-17

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

Description

Windows Hyper-V Remote Code Execution Vulnerability

Weakness classification

nvd@nist.gov: NVD-CWE-noinfo

Primary references

secure@microsoft.com — Third Party Advisory, VDB Entry
secure@microsoft.com — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory