CVE-2026-8864

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 96% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
7.3EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 7.3Exploit: None knownExposed services: Not assessed

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

The HP Fan Control App might allow local escalation of privileges. An updated version of HP Fan Control App has been released to mitigate this potential vulnerability.

CVSS v3
7.3
EG Score
7.3HIGHmedium confidence
EG Risk
37
EG Risk 37/100

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
Severity73% × 45%
Exploitation0% × 40%
Automatability30% × 15%
EPSS PROB
0.1%
EPSS %ILE
3rd
KEV
Not listed

Published

June 30, 2026

Last Modified

July 2, 2026

References (1)

Vendor Advisories for CVE-2026-8864(1)

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 6× in last 7d / 35× 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 224 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-8864?
CVE-2026-8864 is a high vulnerability published on June 30, 2026. The HP Fan Control App might allow local escalation of privileges. An updated version of HP Fan Control App has been released to mitigate this potential vulnerability.
When was CVE-2026-8864 disclosed?
CVE-2026-8864 was first published on June 30, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8864 actively exploited?
CVE-2026-8864 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (3rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-8864?
CVE-2026-8864 has a CVSS base score of 7.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-8864?
No fix for CVE-2026-8864 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-8864 are linked in the Vendor Advisories panel on this page.

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