Vulnerability Database

324,382

Total vulnerabilities in the database

CVE-2020-0661

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system, aka 'Windows Hyper-V Denial of Service Vulnerability'. This CVE ID is unique from CVE-2020-0751.

  • Published: Feb 11, 2020
  • Updated: Nov 9, 2025
  • CVE: CVE-2020-0661
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.8
  • AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5.5
  • AV:A/AC:L/Au:S/C:N/I:N/A:C

CWEs: