<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>
Metrics
Affected Vendors & Products
References
History
Mon, 23 Feb 2026 17:00:00 +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> |
Status: PUBLISHED
Assigner: microsoft
Published: 2020-09-11T17:08:23.000Z
Updated: 2024-08-04T06:18:03.282Z
Reserved: 2019-11-04T00:00:00.000Z
Link: CVE-2020-0836
No data.
Status : Modified
Published: 2020-09-11T17:15:13.947
Modified: 2026-02-23T17:18:41.523
Link: CVE-2020-0836
No data.