CVE-2026-12786

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH 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
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 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(high)
EPSS
1.7%
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 33× in last 7d / 78× 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. 2026-07-07 03:08 UTCEG score recompute
  2. 2026-07-07 03:08 UTCGHSA enrichment
  3. 2026-07-06 15:30 UTCEG score recompute
  4. 2026-07-06 15:30 UTCGHSA enrichment
  5. 2026-07-06 03:46 UTCEG score recompute
  6. 2026-07-06 03:46 UTCGHSA enrichment
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-05 16:09 UTCEG score recompute
  9. 2026-07-05 16:09 UTCGHSA enrichment
  10. 2026-07-05 04:32 UTCEG score recompute
  11. 2026-07-05 04:32 UTCGHSA enrichment
  12. 2026-07-05 02:30 UTCEPSS rescore
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-04 16:52 UTCEG score recompute
  15. 2026-07-04 16:51 UTCGHSA enrichment
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-04 04:49 UTCEG score recompute
  18. 2026-07-04 04:49 UTCGHSA enrichment
  19. 2026-07-03 17:11 UTCEG score recompute
  20. 2026-07-03 17:11 UTCGHSA enrichment
  21. 2026-07-03 05:35 UTCEG score recompute
  22. 2026-07-03 05:35 UTCGHSA enrichment
  23. 2026-07-02 17:57 UTCEG score recompute
  24. 2026-07-02 17:57 UTCGHSA enrichment
  25. 2026-07-02 06:21 UTCEG score recompute
Show 53 more
  1. 2026-07-02 06:21 UTCGHSA enrichment
  2. 2026-07-01 18:45 UTCEG score recompute
  3. 2026-07-01 18:45 UTCGHSA enrichment
  4. 2026-07-01 07:09 UTCEG score recompute
  5. 2026-07-01 07:09 UTCGHSA enrichment
  6. 2026-06-30 23:22 UTCEPSS rescore
  7. 2026-06-30 19:33 UTCEG score recompute
  8. 2026-06-30 19:33 UTCGHSA enrichment
  9. 2026-06-30 07:57 UTCEG score recompute
  10. 2026-06-30 07:57 UTCGHSA enrichment
  11. 2026-06-29 20:22 UTCEG score recompute
  12. 2026-06-29 20:22 UTCGHSA enrichment
  13. 2026-06-29 08:47 UTCEG score recompute
  14. 2026-06-29 08:46 UTCGHSA enrichment
  15. 2026-06-28 21:11 UTCEG score recompute
  16. 2026-06-28 21:11 UTCGHSA enrichment
  17. 2026-06-28 14:07 UTCEPSS rescore
  18. 2026-06-28 09:36 UTCEG score recompute
  19. 2026-06-28 09:35 UTCGHSA enrichment
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-28 04:56 UTCEPSS rescore
  22. 2026-06-27 21:59 UTCEG score recompute
  23. 2026-06-27 21:59 UTCGHSA enrichment
  24. 2026-06-27 10:23 UTCEG score recompute
  25. 2026-06-27 10:23 UTCGHSA enrichment
  26. 2026-06-27 03:08 UTCEPSS rescore
  27. 2026-06-26 22:46 UTCEG score recompute
  28. 2026-06-26 22:46 UTCGHSA enrichment
  29. 2026-06-26 11:09 UTCEG score recompute
  30. 2026-06-26 11:09 UTCGHSA enrichment
  31. 2026-06-25 18:32 UTCEG score recompute
  32. 2026-06-25 18:32 UTCGHSA enrichment
  33. 2026-06-25 13:49 UTCEPSS rescore
  34. 2026-06-25 06:57 UTCEG score recompute
  35. 2026-06-25 06:56 UTCGHSA enrichment
  36. 2026-06-24 19:21 UTCEG score recompute
  37. 2026-06-24 19:21 UTCGHSA enrichment
  38. 2026-06-24 07:43 UTCEG score recompute
  39. 2026-06-24 07:43 UTCGHSA enrichment
  40. 2026-06-23 21:32 UTCEPSS rescore
  41. 2026-06-23 20:08 UTCEG score recompute
  42. 2026-06-23 20:08 UTCGHSA enrichment
  43. 2026-06-23 08:30 UTCEG score recompute
  44. 2026-06-23 08:30 UTCGHSA enrichment
  45. 2026-06-22 20:53 UTCEG score recompute
  46. 2026-06-22 20:53 UTCGHSA enrichment
  47. 2026-06-22 19:38 UTCNVD updateCVSS v4 → 7.1
  48. 2026-06-22 09:15 UTCEG score recompute
  49. 2026-06-22 09:15 UTCGHSA enrichment
  50. 2026-06-21 21:38 UTCEG score recompute
  51. 2026-06-21 21:38 UTCGHSA enrichment
  52. 2026-06-21 10:01 UTCEG score recompute
  53. 2026-06-21 10:01 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 1.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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

Explore the affected products and dependency analysis for CVE-2026-12786

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