CVE-2026-69366

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.1Exploit: None knownExposed: 0

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

Use after free in Windows Kernel allows an authorized attacker to elevate privileges over a network.

CVSS v3
7.1
EG Score
7.1(high)
EG Risk
32(Track)
EG Risk 32/100SSVC: Track

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
Severity71% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 24, 2026

Advisory Details (1)

Auto-updated Sep 8, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

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

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69366

Vendor Advisories for CVE-2026-69366(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 52× in last 7d / 132× 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 132 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-69366?
CVE-2026-69366 is a high vulnerability published on September 8, 2026. Use after free in Windows Kernel allows an authorized attacker to elevate privileges over a network.
When was CVE-2026-69366 disclosed?
CVE-2026-69366 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-69366 actively exploited?
CVE-2026-69366 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.2% of all scored CVEs.
What is the CVSS score of CVE-2026-69366?
CVE-2026-69366 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-69366?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-69366, 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.

Dependency Blast Radius

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