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CVE-2020-0836

nvd nist
Published: Sep 11, 2020Modified: Feb 23, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD (Secondary)

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>

Affected (9)

4 products
Windows Server 2008
Windows Server 2012
Windows Server 2016
Windows Server 2019
Configuration A
9 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
All versions
All versions
Microsoft
All versions
Version r2
Microsoft
All versions
Version 1903
Version 1909
Version 2004
All versions

References (2)

Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.