peter bassill · operator
$ cve CVE-2021-26867 JSON

CVE-2021-26867

9.9
CRITICAL · CVSS 3.1 · EPSS 2.8% (pctl 86)

In your normal cycle

Critical by CVSS (9.9), but no sign of active exploitation.

Description

Windows Hyper-V Remote Code Execution Vulnerability

Scoring

CVSS9.9 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS2.84% — more likely to be exploited than 86% of all CVEs
On CISA KEVno
Public exploitnone known
Published2021-03-11
Last modified2026-08-19

Affected (2)

VendorProduct
microsoftwindows 10
microsoftwindows server 2016

References

→ the Explorer  ·  watch your stack  ·  NVD