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Vulnerability record · CVE-2016-3227 · published 16 June 2016

CVE-2016-3227: Microsoft windows server 2012 vulnerability

Microsoft · Windows Server 2012

Use-after-free vulnerability in the DNS Server component in Microsoft Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via crafted requests, aka "Windows DNS Server Use After Free Vulnerability."

9.8 CVSS 3.0 Critical EPSS 25% · top 2.1%
9.8CVSS 3.0 base score, v2 10.0
25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in the DNS Server component in Microsoft Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via crafted requests, aka "Windows DNS Server Use After Free Vulnerability."

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securitytracker.com/id/1036095
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-071
http://www.securitytracker.com/id/1036095
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-071

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-3227), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.