CVE-2026-6484

HIGHPre-NVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-12. a secondary CVSS source baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

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

In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.

CVSS v3
8.2
EG Score
8.2(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity82% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 31, 2026

Advisory Details (1)

Auto-updated Aug 12, 2026
No patch confirmed yet.
generic

SA-2026003 - Insyde Software

https://www.insyde.com/security-pledge/sa-2026003/

Vendor Advisories for CVE-2026-6484(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 24× in last 7d / 104× 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 143 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-6484?
CVE-2026-6484 is a high vulnerability published on August 12, 2026. In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.
When was CVE-2026-6484 disclosed?
CVE-2026-6484 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6484 actively exploited?
CVE-2026-6484 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 95.9% of all scored CVEs.
What is the CVSS score of CVE-2026-6484?
CVE-2026-6484 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-6484?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6484, 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

Explore the affected products and dependency analysis for CVE-2026-6484

Explore →

Is Your Infrastructure Affected by CVE-2026-6484?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs