Vulnerability in Microsoft Windows Server 2012

CVE-2016-3227

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 · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.255 (97.9th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-3227: held from 0.255 to 0.255.

EPSS over last 30 days · oldest: 0.255 · newest: 0.255 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-3227?
CVE-2016-3227 is a critical-severity vulnerability in Microsoft Windows Server 2012. CVSS score: 9.8/10. Published 2016-06-16.
How severe is CVE-2016-3227?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-3227 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.