עברית

Vulnerability Intelligence

CVE-2021-26867

Critical 9.9

Published
Last modified
NVD status
Modified

Description

Windows Hyper-V Remote Code Execution Vulnerability

Affected products

microsoft: windows 10; microsoft: windows server 2016

References2

Metrics

CVSS 3.1
9.9 CRITICAL Score source: CNA CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS — exploit probability
3% percentile: 87 · as of 11 November 2026

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.