CVE-2026-68840

HIGHPre-NVD 7.07.0—
EchelonGraph scoreHIGH confidence

Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. the CNA's CVSS baseline 7.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
7.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.0Exploit: None knownExposed: 0

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

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.

CVSS v3
7.0
EG Score
7.0(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
Severity70% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 18, 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-2026-68840

Vendor Advisories for CVE-2026-68840(2)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 50× in last 7d / 93× 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.

  1. 2026-09-20 23:15 UTCEG score recompute
  2. 2026-09-20 23:15 UTCVendor advisory
  3. 2026-09-20 23:15 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-20 10:41 UTCVendor advisory
  6. 2026-09-20 10:40 UTCGHSA enrichment
  7. 2026-09-19 22:13 UTCEG score recompute
  8. 2026-09-19 22:13 UTCVendor advisory
  9. 2026-09-19 22:13 UTCGHSA enrichment
  10. 2026-09-19 09:51 UTCVendor advisory
  11. 2026-09-19 09:51 UTCGHSA enrichment
  12. 2026-09-18 21:04 UTCEG score recompute
  13. 2026-09-18 21:04 UTCVendor advisory
  14. 2026-09-18 21:04 UTCGHSA enrichment
  15. 2026-09-18 19:28 UTCEPSS rescore
  16. 2026-09-18 14:11 UTCVendor advisory
  17. 2026-09-18 14:11 UTCGHSA enrichment
  18. 2026-09-18 11:28 UTCVendor advisory
  19. 2026-09-18 11:28 UTCGHSA enrichment
  20. 2026-09-17 23:06 UTCVendor advisory
  21. 2026-09-17 23:06 UTCGHSA enrichment
  22. 2026-09-17 19:55 UTCEG score recompute
  23. 2026-09-17 19:55 UTCVendor advisory
  24. 2026-09-17 19:55 UTCGHSA enrichment
  25. 2026-09-17 10:26 UTCVendor advisory
Show 68 more
  1. 2026-09-17 10:26 UTCGHSA enrichment
  2. 2026-09-16 22:04 UTCEG score recompute
  3. 2026-09-16 22:04 UTCVendor advisory
  4. 2026-09-16 22:04 UTCGHSA enrichment
  5. 2026-09-16 15:30 UTCEG score recompute
  6. 2026-09-16 15:30 UTCVendor advisory
  7. 2026-09-16 15:30 UTCGHSA enrichment
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 11:08 UTCEG score recompute
  10. 2026-09-16 11:08 UTCVendor advisory
  11. 2026-09-16 11:08 UTCGHSA enrichment
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-15 22:47 UTCVendor advisory
  14. 2026-09-15 22:47 UTCGHSA enrichment
  15. 2026-09-15 17:57 UTCVendor advisory
  16. 2026-09-15 17:57 UTCGHSA enrichment
  17. 2026-09-15 11:17 UTCEG score recompute
  18. 2026-09-15 11:17 UTCVendor advisory
  19. 2026-09-15 11:17 UTCGHSA enrichment
  20. 2026-09-14 22:55 UTCVendor advisory
  21. 2026-09-14 22:55 UTCGHSA enrichment
  22. 2026-09-14 17:48 UTCVendor advisory
  23. 2026-09-14 17:48 UTCGHSA enrichment
  24. 2026-09-14 12:47 UTCVendor advisory
  25. 2026-09-14 12:47 UTCGHSA enrichment
  26. 2026-09-14 00:25 UTCEG score recompute
  27. 2026-09-14 00:25 UTCVendor advisory
  28. 2026-09-14 00:25 UTCGHSA enrichment
  29. 2026-09-13 12:03 UTCVendor advisory
  30. 2026-09-13 12:03 UTCGHSA enrichment
  31. 2026-09-12 23:41 UTCEG score recompute
  32. 2026-09-12 23:41 UTCVendor advisory
  33. 2026-09-12 23:41 UTCGHSA enrichment
  34. 2026-09-12 11:19 UTCVendor advisory
  35. 2026-09-12 11:19 UTCGHSA enrichment
  36. 2026-09-11 22:57 UTCVendor advisory
  37. 2026-09-11 22:57 UTCGHSA enrichment
  38. 2026-09-11 20:06 UTCVendor advisory
  39. 2026-09-11 20:06 UTCGHSA enrichment
  40. 2026-09-11 17:02 UTCVendor advisory
  41. 2026-09-11 17:02 UTCGHSA enrichment
  42. 2026-09-11 11:58 UTCEG score recompute
  43. 2026-09-11 11:58 UTCGHSA enrichment
  44. 2026-09-11 09:37 UTCEPSS rescore
  45. 2026-09-10 23:36 UTCGHSA enrichment
  46. 2026-09-10 23:05 UTCGHSA enrichment
  47. 2026-09-10 10:43 UTCEG score recompute
  48. 2026-09-10 10:43 UTCGHSA enrichment
  49. 2026-09-09 22:13 UTCGHSA enrichment
  50. 2026-09-09 20:06 UTCEG score recompute
  51. 2026-09-09 20:06 UTCVendor advisory
  52. 2026-09-09 20:06 UTCGHSA enrichment
  53. 2026-09-09 19:30 UTCEG score recompute
  54. 2026-09-09 19:30 UTCVendor advisory
  55. 2026-09-09 19:30 UTCGHSA enrichment
  56. 2026-09-09 18:40 UTCEG score recompute
  57. 2026-09-09 18:40 UTCVendor advisory
  58. 2026-09-09 18:40 UTCGHSA enrichment
  59. 2026-09-09 12:31 UTCVendor advisory
  60. 2026-09-09 12:31 UTCGHSA enrichment
  61. 2026-09-09 00:08 UTCEG score recompute
  62. 2026-09-09 00:08 UTCVendor advisory
  63. 2026-09-09 00:08 UTCGHSA enrichment
  64. 2026-09-08 18:56 UTCEG score recompute
  65. 2026-09-08 18:56 UTCGHSA enrichment
  66. 2026-09-08 17:54 UTCEG score recompute
  67. 2026-09-08 17:54 UTCVendor advisory
  68. 2026-09-08 17:25 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-68840?
CVE-2026-68840 is a high vulnerability published on September 8, 2026. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.
When was CVE-2026-68840 disclosed?
CVE-2026-68840 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-68840 actively exploited?
CVE-2026-68840 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 95.2% of all scored CVEs.
What is the CVSS score of CVE-2026-68840?
CVE-2026-68840 has a CVSS v4.0 base score of 7.0 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-68840?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-68840, 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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