CVE-2020-0890

Windows Hyper-V Denial of Service Vulnerability

Medium · published September 11, 2020

CVSS v3.1
6.5
EPSS
3%
Percentile
86.6
In the wild
Unconfirmed
What it is

<p>A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system.</p>

<p>To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application.</p>

<p>The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to handle these requests.</p>

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.02838 · 86.6th percentile
Published
2020-09-11T17:08Z
EPSS history
Timeline
  • 11 SEP 17:08Z
    Windows Hyper-V Denial of Service Vulnerability
    cvelistv5