CVE-2018-8405

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 2022-03-28), 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 3%CVSS: 7.8Exploit: cisa kev · ssvc active · kev ransomwareExposed: 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)
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
3%
EPSS %ILE
88%
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 62× in last 7d / 356× 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 705 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2018-8405?
CVE-2018-8405 is a critical 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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