CVE-2026-96017

Role: DNS Server Denial of Service Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 4.9 Medium EPSS 1.2% KEV · Not listed
Description
Use after free in DNS Server allows an authorized attacker to deny service over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Use after free in DNS Server allows an authorized attacker to deny service over a network.
Title Role: DNS Server Denial of Service Vulnerability
First Time appeared Microsoft
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
Weaknesses CWE-416
CPEs cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 13, 2026, 6:06 PM
Reserved
Sep 22, 2026, 5:50 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 7:21 PM
Modified
Nov 11, 2026, 2:17 AM