CVE-2026-12778

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 AOMEI Partition Assistant up to 10.10.1. This vulnerability affects unknown code in the library ampa10.sys of the component Kernel Driver. Such manipulation leads to improper access controls. The attack must be carried out locally. 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

AOMEI Partition Assist... | Winslow Blog

https://winslow1984.com/books/cve-collection/page/aomei-partition-assistant-10101-kernel-driver-ampa10sys-local-privilege-escalation

Vendor Advisories for CVE-2026-12778(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 38× in last 7d / 83× 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 01:17 UTCEG score recompute
  2. 2026-07-07 01:17 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 13:51 UTCEG score recompute
  5. 2026-07-06 13:50 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-06 02:22 UTCEG score recompute
  8. 2026-07-06 02:22 UTCGHSA enrichment
  9. 2026-07-05 14:54 UTCEG score recompute
  10. 2026-07-05 14:54 UTCGHSA enrichment
  11. 2026-07-05 03:27 UTCEG score recompute
  12. 2026-07-05 03:27 UTCGHSA enrichment
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 16:00 UTCEG score recompute
  16. 2026-07-04 16:00 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-04 04:34 UTCEG score recompute
  19. 2026-07-04 04:34 UTCGHSA enrichment
  20. 2026-07-03 17:02 UTCEG score recompute
  21. 2026-07-03 17:02 UTCGHSA enrichment
  22. 2026-07-03 05:35 UTCEG score recompute
  23. 2026-07-03 05:35 UTCGHSA enrichment
  24. 2026-07-02 17:54 UTCEG score recompute
  25. 2026-07-02 17:53 UTCGHSA enrichment
Show 58 more
  1. 2026-07-02 06:27 UTCEG score recompute
  2. 2026-07-02 06:26 UTCGHSA enrichment
  3. 2026-07-01 18:59 UTCEG score recompute
  4. 2026-07-01 18:59 UTCGHSA enrichment
  5. 2026-07-01 15:06 UTCEPSS rescore
  6. 2026-07-01 15:06 UTCEPSS rescore
  7. 2026-07-01 07:33 UTCEG score recompute
  8. 2026-07-01 07:33 UTCGHSA enrichment
  9. 2026-06-30 23:22 UTCEPSS rescore
  10. 2026-06-30 20:06 UTCEG score recompute
  11. 2026-06-30 20:06 UTCGHSA enrichment
  12. 2026-06-30 08:40 UTCEG score recompute
  13. 2026-06-30 08:40 UTCGHSA enrichment
  14. 2026-06-29 21:14 UTCEG score recompute
  15. 2026-06-29 21:14 UTCGHSA enrichment
  16. 2026-06-29 09:48 UTCEG score recompute
  17. 2026-06-29 09:48 UTCGHSA enrichment
  18. 2026-06-28 22:21 UTCEG score recompute
  19. 2026-06-28 22:21 UTCGHSA enrichment
  20. 2026-06-28 14:07 UTCEPSS rescore
  21. 2026-06-28 10:54 UTCEG score recompute
  22. 2026-06-28 10:54 UTCGHSA enrichment
  23. 2026-06-28 04:56 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-27 23:26 UTCEG score recompute
  26. 2026-06-27 23:26 UTCGHSA enrichment
  27. 2026-06-27 11:59 UTCEG score recompute
  28. 2026-06-27 11:59 UTCGHSA enrichment
  29. 2026-06-27 03:08 UTCEPSS rescore
  30. 2026-06-27 00:32 UTCEG score recompute
  31. 2026-06-27 00:32 UTCGHSA enrichment
  32. 2026-06-26 13:05 UTCEG score recompute
  33. 2026-06-26 13:04 UTCGHSA enrichment
  34. 2026-06-26 01:38 UTCEG score recompute
  35. 2026-06-26 01:38 UTCGHSA enrichment
  36. 2026-06-25 14:12 UTCEG score recompute
  37. 2026-06-25 14:12 UTCGHSA enrichment
  38. 2026-06-25 02:45 UTCEG score recompute
  39. 2026-06-25 02:45 UTCGHSA enrichment
  40. 2026-06-24 15:19 UTCEG score recompute
  41. 2026-06-24 15:19 UTCGHSA enrichment
  42. 2026-06-24 14:05 UTCEPSS rescore
  43. 2026-06-24 03:53 UTCEG score recompute
  44. 2026-06-24 03:52 UTCGHSA enrichment
  45. 2026-06-23 21:32 UTCEPSS rescore
  46. 2026-06-23 16:25 UTCEG score recompute
  47. 2026-06-23 16:24 UTCGHSA enrichment
  48. 2026-06-23 04:58 UTCEG score recompute
  49. 2026-06-23 04:57 UTCGHSA enrichment
  50. 2026-06-22 19:38 UTCNVD updateCVSS v4 → 7.1
  51. 2026-06-22 17:29 UTCEG score recompute
  52. 2026-06-22 17:28 UTCGHSA enrichment
  53. 2026-06-22 06:00 UTCEG score recompute
  54. 2026-06-22 06:00 UTCGHSA enrichment
  55. 2026-06-21 18:31 UTCEG score recompute
  56. 2026-06-21 18:30 UTCGHSA enrichment
  57. 2026-06-21 07:01 UTCEG score recompute
  58. 2026-06-21 07:01 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12778?
CVE-2026-12778 is a high vulnerability published on June 21, 2026. A vulnerability has been found in AOMEI Partition Assistant up to 10.10.1. This vulnerability affects unknown code in the library ampa10.sys of the component Kernel Driver. Such manipulation leads to improper access controls. The attack must be carried out locally. The exploit has been disclosed to…
When was CVE-2026-12778 disclosed?
CVE-2026-12778 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-2026-12778 actively exploited?
CVE-2026-12778 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-2026-12778?
CVE-2026-12778 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-12778?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12778, 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-2026-12778

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