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CVE-2016-3227
CRITICAL
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."
Published: Jun 16, 2016
Modified: Jun 17, 2026
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (4)
| Vendor | Product | Version |
|---|---|---|
| microsoft | windows_server_2012 | - |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2012 | r2 |
GitHub Security Advisory GHSA-wpxq-2qxf-q435
Use-after-free vulnerability in the DNS Server component in Microsoft Windows Server 2012 Gold...
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
25.46%
Top 2% most likely to be exploited
Threat Score
46.8 / 100
Data Sources
NVD
EPSS
GitHub