CVE-2016-3393

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 69%CVSS: 7.8Exploit: cisa kev · ssvc active · epss top5pct · epss highExposed: 0

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

Graphics Device Interface (aka GDI or GDI+) in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows remote attackers to execute arbitrary code via a crafted web site, aka "Windows Graphics Component RCE Vulnerability."

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
69%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

October 14, 2016

Last Modified

April 22, 2026

Advisory Details (4)

Auto-updated May 19, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3393
generic

Microsoft Security Bulletin MS16-120 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-120
generic
http://www.securitytracker.com/id/1036988
generic
http://www.securityfocus.com/bid/93377

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

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 58× in last 7d / 347× 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 724 total refreshes for this CVE.

  1. 2026-07-27 11:44 UTCGHSA enrichment
  2. 2026-07-27 07:36 UTCVendor advisory
  3. 2026-07-27 07:36 UTCGHSA enrichment
  4. 2026-07-27 03:28 UTCVendor advisory
  5. 2026-07-27 03:28 UTCGHSA enrichment
  6. 2026-07-26 23:17 UTCVendor advisory
  7. 2026-07-26 23:17 UTCGHSA enrichment
  8. 2026-07-26 19:09 UTCVendor advisory
  9. 2026-07-26 19:08 UTCGHSA enrichment
  10. 2026-07-26 15:00 UTCEG score recompute
  11. 2026-07-26 15:00 UTCVendor advisory
  12. 2026-07-26 15:00 UTCGHSA enrichment
  13. 2026-07-26 14:50 UTCEPSS rescore
  14. 2026-07-26 10:52 UTCEG score recompute
  15. 2026-07-26 10:52 UTCVendor advisory
  16. 2026-07-26 10:52 UTCGHSA enrichment
  17. 2026-07-26 06:44 UTCVendor advisory
  18. 2026-07-26 06:43 UTCGHSA enrichment
  19. 2026-07-26 02:34 UTCEG score recompute
  20. 2026-07-26 02:34 UTCVendor advisory
  21. 2026-07-26 02:34 UTCGHSA enrichment
  22. 2026-07-23 01:22 UTCEG score recompute
  23. 2026-07-22 21:54 UTCEG score recompute
  24. 2026-07-22 21:54 UTCVendor advisory
  25. 2026-07-22 21:54 UTCGHSA enrichment
Show 75 more
  1. 2026-07-22 19:40 UTCCISA KEV update
  2. 2026-07-22 17:45 UTCEG score recompute
  3. 2026-07-22 17:45 UTCGHSA enrichment
  4. 2026-07-22 14:04 UTCEPSS rescore
  5. 2026-07-22 13:35 UTCVendor advisory
  6. 2026-07-22 13:35 UTCGHSA enrichment
  7. 2026-07-22 09:27 UTCVendor advisory
  8. 2026-07-22 09:27 UTCGHSA enrichment
  9. 2026-07-22 05:18 UTCVendor advisory
  10. 2026-07-22 05:18 UTCGHSA enrichment
  11. 2026-07-22 01:03 UTCVendor advisory
  12. 2026-07-22 01:03 UTCGHSA enrichment
  13. 2026-07-21 20:10 UTCVendor advisory
  14. 2026-07-21 20:10 UTCGHSA enrichment
  15. 2026-07-21 16:01 UTCEG score recompute
  16. 2026-07-21 16:01 UTCVendor advisory
  17. 2026-07-21 16:01 UTCGHSA enrichment
  18. 2026-07-21 15:21 UTCEPSS rescore
  19. 2026-07-21 15:21 UTCEPSS rescore
  20. 2026-07-21 14:37 UTCCISA KEV update
  21. 2026-07-21 11:53 UTCVendor advisory
  22. 2026-07-21 11:53 UTCGHSA enrichment
  23. 2026-07-21 07:44 UTCVendor advisory
  24. 2026-07-21 07:44 UTCGHSA enrichment
  25. 2026-07-21 03:36 UTCVendor advisory
  26. 2026-07-21 03:36 UTCGHSA enrichment
  27. 2026-07-20 23:27 UTCVendor advisory
  28. 2026-07-20 23:27 UTCGHSA enrichment
  29. 2026-07-20 19:20 UTCEG score recompute
  30. 2026-07-20 19:20 UTCVendor advisory
  31. 2026-07-20 19:20 UTCGHSA enrichment
  32. 2026-07-20 17:03 UTCEPSS rescore
  33. 2026-07-20 15:11 UTCGHSA enrichment
  34. 2026-07-20 11:00 UTCGHSA enrichment
  35. 2026-07-20 06:52 UTCVendor advisory
  36. 2026-07-20 06:51 UTCGHSA enrichment
  37. 2026-07-20 02:22 UTCVendor advisory
  38. 2026-07-20 02:22 UTCGHSA enrichment
  39. 2026-07-19 22:13 UTCVendor advisory
  40. 2026-07-19 22:13 UTCGHSA enrichment
  41. 2026-07-19 18:05 UTCEG score recompute
  42. 2026-07-19 18:05 UTCVendor advisory
  43. 2026-07-19 18:05 UTCGHSA enrichment
  44. 2026-07-19 14:27 UTCEPSS rescore
  45. 2026-07-19 13:57 UTCVendor advisory
  46. 2026-07-19 13:57 UTCGHSA enrichment
  47. 2026-07-19 09:49 UTCVendor advisory
  48. 2026-07-19 09:49 UTCGHSA enrichment
  49. 2026-07-19 05:41 UTCEG score recompute
  50. 2026-07-19 05:41 UTCVendor advisory
  51. 2026-07-19 05:41 UTCGHSA enrichment
  52. 2026-07-19 02:26 UTCEPSS rescore
  53. 2026-07-19 02:26 UTCEPSS rescore
  54. 2026-07-19 01:32 UTCGHSA enrichment
  55. 2026-07-18 21:24 UTCVendor advisory
  56. 2026-07-18 21:24 UTCGHSA enrichment
  57. 2026-07-18 17:16 UTCVendor advisory
  58. 2026-07-18 17:16 UTCGHSA enrichment
  59. 2026-07-18 13:08 UTCVendor advisory
  60. 2026-07-18 13:08 UTCGHSA enrichment
  61. 2026-07-18 09:00 UTCVendor advisory
  62. 2026-07-18 09:00 UTCGHSA enrichment
  63. 2026-07-18 04:52 UTCVendor advisory
  64. 2026-07-18 04:51 UTCGHSA enrichment
  65. 2026-07-18 00:42 UTCVendor advisory
  66. 2026-07-18 00:42 UTCGHSA enrichment
  67. 2026-07-17 20:34 UTCVendor advisory
  68. 2026-07-17 20:34 UTCGHSA enrichment
  69. 2026-07-17 16:26 UTCVendor advisory
  70. 2026-07-17 16:26 UTCGHSA enrichment
  71. 2026-07-17 12:18 UTCVendor advisory
  72. 2026-07-17 12:18 UTCGHSA enrichment
  73. 2026-07-17 08:08 UTCEG score recompute
  74. 2026-07-17 08:08 UTCVendor advisory
  75. 2026-07-17 08:08 UTCGHSA enrichment

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Frequently asked(6)

What is CVE-2016-3393?
CVE-2016-3393 is a critical vulnerability published on October 14, 2016. Graphics Device Interface (aka GDI or GDI+) in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows remote attackers to execute arbitrary code via a crafted web site,…
When was CVE-2016-3393 disclosed?
CVE-2016-3393 was first published in the National Vulnerability Database on October 14, 2016, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-3393 actively exploited?
Yes. CISA added CVE-2016-3393 to the Known Exploited Vulnerabilities catalog on May 25, 2022, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2016-3393?
CVE-2016-3393 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2016-3393?
CVE-2016-3393 affects Microsoft Windows. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2016-3393?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-3393, 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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