CVE-2026-12786

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-21. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

A vulnerability has been found in Ezbsystems UltraISO Premium Edition up to 9.76. Affected by this issue is some unknown functionality in the library bootpt64.sys of the component Kernel Driver. The manipulation leads to improper access controls. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

June 21, 2026

Last Modified

June 22, 2026

Advisory Details (1)

Auto-updated Jun 22, 2026
No patch confirmed yet.
generic

UltraISO Premium 9.76 ... | Winslow Blog

https://winslow1984.com/books/cve-collection/page/ultraiso-premium-976-kernel-driver-bootpt64sys-local-privilege-escalation

Vendor Advisories for CVE-2026-12786(1)

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 17× in last 7d / 98× 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 190 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12786?
CVE-2026-12786 is a high vulnerability published on June 21, 2026. A vulnerability has been found in Ezbsystems UltraISO Premium Edition up to 9.76. Affected by this issue is some unknown functionality in the library bootpt64.sys of the component Kernel Driver. The manipulation leads to improper access controls. Local access is required to approach this attack.…
When was CVE-2026-12786 disclosed?
CVE-2026-12786 was first published in the National Vulnerability Database on June 21, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12786 actively exploited?
CVE-2026-12786 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 94.3% of all scored CVEs.
What is the CVSS score of CVE-2026-12786?
CVE-2026-12786 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-12786?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12786, 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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