CVE-2018-8405

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 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8406.

CVSS v3
7.8
EG Score
9.0(high)
EPSS
87.7%
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-2018-8405
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-2018-8405
generic
http://www.securitytracker.com/id/1041461
generic
http://www.securityfocus.com/bid/105011

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 91× in last 7d / 385× 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 672 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2018-8405?
CVE-2018-8405 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 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows…
When was CVE-2018-8405 disclosed?
CVE-2018-8405 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-2018-8405 actively exploited?
Yes. CISA added CVE-2018-8405 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-2018-8405?
CVE-2018-8405 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-2018-8405?
CVE-2018-8405 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-2018-8405?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-8405, 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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