CVE-2018-8406

HIGHNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-28), 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
7.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 3%CVSS: 7.8Exploit: NoneExposed: 0

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

An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8405.

CVSS v3
7.8
EG Score
9.0(high)
EPSS
87.6%
KEV
⚠ Exploited

Published

August 15, 2018

Last Modified

October 28, 2025

Advisory Details (4)

Auto-updated Jun 4, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, 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-2018-8406
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406
generic
http://www.securitytracker.com/id/1041461
generic
http://www.securityfocus.com/bid/105012

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 150× in last 7d / 625× 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 879 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2018-8406?
CVE-2018-8406 is a high vulnerability published on August 15, 2018. An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from…
When was CVE-2018-8406 disclosed?
CVE-2018-8406 was first published in the National Vulnerability Database on August 15, 2018, with the most recent update on October 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-8406 actively exploited?
Yes. CISA added CVE-2018-8406 to the Known Exploited Vulnerabilities catalog on March 28, 2022, affecting Microsoft DirectX Graphics Kernel (DXGKRNL). KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2018-8406?
CVE-2018-8406 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-2018-8406?
CVE-2018-8406 affects Microsoft DirectX Graphics Kernel (DXGKRNL). 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-2018-8406?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-8406, 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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