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Fencer Vulns
critical 9.8

CVE-2016-3227 in the critical feed json

Use-after-free vulnerability in the DNS Server component in Microsoft Windows Server 2012 Gold and R2 allows remote attackers to execute ar…

published 2016-06-16 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4265

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
25.5%
EPSS 25.5% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

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."

Exploit prediction

25.46% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.