Description
<p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.</p>
<p>To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.</p>
<p>The update addresses the vulnerability by correcting how Windows DNS processes queries.</p>
Published: 2020-09-11
Score: 7.5 High
EPSS: 14.1% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Mon, 23 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Description <p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.</p> <p>To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.</p> <p>The update addresses the vulnerability by correcting how Windows DNS processes queries.</p> <p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.</p> <p>To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.</p> <p>The update addresses the vulnerability by correcting how Windows DNS processes queries.</p>

Subscriptions

Microsoft Windows Server 1903 Windows Server 1909 Windows Server 2004 Windows Server 2008 Windows Server 2008 R2 Windows Server 2008 Sp2 Windows Server 2012 Windows Server 2012 R2 Windows Server 2016 Windows Server 2019
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2024-08-04T06:31:59.658Z

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

Link: CVE-2020-1228

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-09-11T17:15:19.887

Modified: 2026-02-23T18:24:00.587

Link: CVE-2020-1228

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses