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 90× in last 7d / 374× 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 1,075 total refreshes for this CVE.

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

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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