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>
Published: 2020-09-11
Score: 6.5 Medium
EPSS: 11.1% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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History

Mon, 23 Feb 2026 17:00:00 +0000

Type Values Removed Values Added
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> <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>

Subscriptions

Microsoft Windows 10 Windows 10 1803 Windows 10 1809 Windows 10 1909 Windows Server 1903 Windows Server 1909 Windows Server 2004 Windows Server 2016 Windows Server 2019
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2024-08-04T06:18:03.464Z

Reserved: 2019-11-04T00:00:00.000Z

Link: CVE-2020-0890

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-09-11T17:15:14.497

Modified: 2026-02-23T17:18:52.700

Link: CVE-2020-0890

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses