CVE-2016-3227

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 25%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
9.8(medium)
EG Risk
65(Track*)
EG Risk 65/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
97.7%
KEV
Not listed

Published

June 16, 2016

Last Modified

May 6, 2026

Advisory Details (1)

Auto-updated May 7, 2026
No patch confirmed yet.
generic

Microsoft Security Bulletin MS16-071 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-071

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 12× in last 7d / 35× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 103 total refreshes for this CVE.

  1. 2026-07-23 14:14 UTCEPSS rescore
  2. 2026-07-23 01:22 UTCEG score recompute
  3. 2026-07-22 22:02 UTCEG score recompute
  4. 2026-07-22 14:04 UTCEPSS rescore
  5. 2026-07-21 15:21 UTCEPSS rescore
  6. 2026-07-21 15:21 UTCEPSS rescore
  7. 2026-07-20 17:03 UTCEPSS rescore
  8. 2026-07-19 14:27 UTCEPSS rescore
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  13. 2026-07-16 16:59 UTCEPSS rescore
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  15. 2026-07-15 16:54 UTCEPSS rescore
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  17. 2026-07-13 22:26 UTCEPSS rescore
  18. 2026-07-12 05:43 UTCEPSS rescore
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  20. 2026-07-11 08:23 UTCEPSS rescore
  21. 2026-07-09 19:05 UTCEPSS rescore
  22. 2026-07-08 15:10 UTCEPSS rescore
  23. 2026-07-07 13:42 UTCEPSS rescore
  24. 2026-07-06 16:24 UTCEPSS rescore
  25. 2026-07-06 16:24 UTCEPSS rescore
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  1. 2026-07-05 02:27 UTCEPSS rescore
  2. 2026-07-04 06:28 UTCEPSS rescore
  3. 2026-07-01 15:02 UTCEPSS rescore
  4. 2026-06-30 23:19 UTCEPSS rescore
  5. 2026-06-28 14:04 UTCEPSS rescore
  6. 2026-06-28 04:53 UTCEPSS rescore
  7. 2026-06-27 03:05 UTCEPSS rescore
  8. 2026-06-27 03:05 UTCEPSS rescore
  9. 2026-06-25 13:47 UTCEPSS rescore
  10. 2026-06-25 13:47 UTCEPSS rescore
  11. 2026-06-24 14:02 UTCEPSS rescore
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  13. 2026-06-23 21:30 UTCEPSS rescore
  14. 2026-06-21 01:57 UTCEPSS rescore
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  16. 2026-06-18 17:50 UTCEPSS rescore
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  19. 2026-06-16 17:50 UTCEPSS rescore
  20. 2026-06-16 17:50 UTCEPSS rescore
  21. 2026-06-15 17:45 UTCEPSS rescore
  22. 2026-06-14 23:14 UTCEPSS rescore
  23. 2026-06-13 22:57 UTCEPSS rescore
  24. 2026-06-13 22:57 UTCEPSS rescore
  25. 2026-06-12 23:09 UTCEPSS rescore
  26. 2026-06-12 23:09 UTCEPSS rescore
  27. 2026-06-11 13:57 UTCEPSS rescore
  28. 2026-06-10 22:15 UTCEPSS rescore
  29. 2026-06-10 13:18 UTCEPSS rescore
  30. 2026-06-08 14:14 UTCEPSS rescore
  31. 2026-06-07 15:22 UTCEPSS rescore
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  35. 2026-06-04 13:10 UTCEPSS rescore
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  37. 2026-06-02 20:10 UTCEPSS rescore
  38. 2026-06-01 13:49 UTCEPSS rescore
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  40. 2026-05-31 22:28 UTCEPSS rescore
  41. 2026-05-31 22:28 UTCEPSS rescore
  42. 2026-05-31 00:14 UTCEPSS rescore
  43. 2026-05-29 13:41 UTCEPSS rescore
  44. 2026-05-28 13:42 UTCEPSS rescore
  45. 2026-05-28 13:42 UTCEPSS rescore
  46. 2026-05-27 13:38 UTCEPSS rescore
  47. 2026-05-27 13:38 UTCEPSS rescore
  48. 2026-05-26 07:16 UTCEPSS rescore
  49. 2026-05-24 16:43 UTCEPSS rescore
  50. 2026-05-22 21:15 UTCEPSS rescore
  51. 2026-05-22 21:15 UTCEPSS rescore
  52. 2026-05-20 22:37 UTCEPSS rescore
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  55. 2026-05-20 11:21 UTCEPSS rescore
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  57. 2026-05-20 11:21 UTCEPSS rescore
  58. 2026-05-20 10:13 UTCVendor advisory
  59. 2026-05-20 10:13 UTCGHSA enrichment
  60. 2026-05-20 06:00 UTCVendor advisory
  61. 2026-05-20 06:00 UTCGHSA enrichment
  62. 2026-05-20 01:49 UTCVendor advisory
  63. 2026-05-20 01:49 UTCGHSA enrichment
  64. 2026-05-19 21:38 UTCVendor advisory
  65. 2026-05-19 21:38 UTCGHSA enrichment
  66. 2026-05-19 17:27 UTCVendor advisory
  67. 2026-05-19 17:27 UTCGHSA enrichment
  68. 2026-05-19 13:15 UTCVendor advisory
  69. 2026-05-19 13:15 UTCGHSA enrichment
  70. 2026-05-19 09:04 UTCVendor advisory
  71. 2026-05-19 09:04 UTCGHSA enrichment
  72. 2026-05-19 04:53 UTCVendor advisory
  73. 2026-05-19 04:53 UTCGHSA enrichment
  74. 2026-05-19 00:42 UTCEG score recompute
  75. 2026-05-19 00:42 UTCVendor advisory

Related CVEs(same vendor)

Frequently asked(5)

What is CVE-2016-3227?
CVE-2016-3227 is a critical vulnerability published on June 16, 2016. 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."
When was CVE-2016-3227 disclosed?
CVE-2016-3227 was first published in the National Vulnerability Database on June 16, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-3227 actively exploited?
CVE-2016-3227 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-3227?
CVE-2016-3227 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-3227?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-3227, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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