CVE-2020-0904

MEDIUM

Windows 10 and Windows Server 2016/2019 - Denial of Service via Hyper-V Guest Input Validation

Title source: llm
STIX 2.1

Description

<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>

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0123
EPSS Percentile 65.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (12)
microsoft/windows_10 1607 (2 CPE variants)
microsoft/windows_10 1709
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_10 1903
microsoft/windows_10 1909
microsoft/windows_10 2004
microsoft/windows_server_2016
microsoft/windows_server_2016 1903
microsoft/windows_server_2016 1909
... and 2 more
Published Sep 11, 2020
Tracked Since Feb 18, 2026