CVE-2026-12781

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 was identified in EaseUS Partition Master up to 14.5. The affected element is an unknown function in the library epmntdrv.sys of the component Kernel Driver. The manipulation leads to improper access controls. The attack needs to be performed locally. The exploit is publicly available and might be used. You should upgrade the affected component. The vendor explains: "We have confirmed that this issue was present only in older versions of the product. Our product has since been updated, and the issue has been resolved in the latest version, so it no longer exists."

CVSS v3
7.8
EG Score
7.8(high)
EPSS
1.6%
KEV
Not listed

Published

June 21, 2026

Last Modified

June 22, 2026

Advisory Details (2)

Auto-updated Jun 21, 2026
No patch confirmed yet.
generic

EaseUS Partition Master | Best Partition Software for All Windows Users.

https://www.easeus.com/partition-manager/
generic

EaseUS Partition Maste... | Winslow Blog

https://winslow1984.com/books/cve-collection/page/easeus-partition-master-145-kernel-driver-epmntdrvsys-local-privilege-escalation

Vendor Advisories for CVE-2026-12781(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 36× in last 7d / 77× 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 01:37 UTCEG score recompute
  2. 2026-07-07 01:37 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 13:34 UTCEG score recompute
  5. 2026-07-06 13:33 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-06 01:23 UTCEG score recompute
  8. 2026-07-06 01:23 UTCGHSA enrichment
  9. 2026-07-05 13:20 UTCEG score recompute
  10. 2026-07-05 13:20 UTCGHSA enrichment
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-05 02:30 UTCEPSS rescore
  13. 2026-07-05 01:17 UTCEG score recompute
  14. 2026-07-05 01:17 UTCGHSA enrichment
  15. 2026-07-04 13:04 UTCEG score recompute
  16. 2026-07-04 13:04 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-04 01:01 UTCEG score recompute
  19. 2026-07-04 01:01 UTCGHSA enrichment
  20. 2026-07-03 12:57 UTCEG score recompute
  21. 2026-07-03 12:57 UTCGHSA enrichment
  22. 2026-07-02 23:59 UTCEG score recompute
  23. 2026-07-02 23:59 UTCGHSA enrichment
  24. 2026-07-02 11:56 UTCEG score recompute
  25. 2026-07-02 11:56 UTCGHSA enrichment
Show 52 more
  1. 2026-07-01 23:53 UTCEG score recompute
  2. 2026-07-01 23:53 UTCGHSA enrichment
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-07-01 15:06 UTCEPSS rescore
  5. 2026-07-01 11:50 UTCEG score recompute
  6. 2026-07-01 11:50 UTCGHSA enrichment
  7. 2026-06-30 23:47 UTCEG score recompute
  8. 2026-06-30 23:47 UTCGHSA enrichment
  9. 2026-06-30 23:22 UTCEPSS rescore
  10. 2026-06-30 11:41 UTCEG score recompute
  11. 2026-06-30 11:41 UTCGHSA enrichment
  12. 2026-06-29 23:35 UTCEG score recompute
  13. 2026-06-29 23:35 UTCGHSA enrichment
  14. 2026-06-29 11:29 UTCEG score recompute
  15. 2026-06-29 11:29 UTCGHSA enrichment
  16. 2026-06-28 23:26 UTCEG score recompute
  17. 2026-06-28 23:26 UTCGHSA enrichment
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 11:23 UTCEG score recompute
  20. 2026-06-28 11:23 UTCGHSA enrichment
  21. 2026-06-28 04:56 UTCEPSS rescore
  22. 2026-06-28 04:56 UTCEPSS rescore
  23. 2026-06-27 23:20 UTCEG score recompute
  24. 2026-06-27 23:20 UTCGHSA enrichment
  25. 2026-06-27 11:17 UTCEG score recompute
  26. 2026-06-27 11:17 UTCGHSA enrichment
  27. 2026-06-27 03:08 UTCEPSS rescore
  28. 2026-06-26 23:14 UTCEG score recompute
  29. 2026-06-26 23:14 UTCGHSA enrichment
  30. 2026-06-26 11:10 UTCEG score recompute
  31. 2026-06-26 11:09 UTCGHSA enrichment
  32. 2026-06-25 21:47 UTCEG score recompute
  33. 2026-06-25 21:47 UTCGHSA enrichment
  34. 2026-06-25 09:43 UTCEG score recompute
  35. 2026-06-25 09:43 UTCGHSA enrichment
  36. 2026-06-24 21:40 UTCEG score recompute
  37. 2026-06-24 21:40 UTCGHSA enrichment
  38. 2026-06-24 09:37 UTCEG score recompute
  39. 2026-06-24 09:37 UTCGHSA enrichment
  40. 2026-06-23 21:34 UTCEG score recompute
  41. 2026-06-23 21:33 UTCGHSA enrichment
  42. 2026-06-23 21:32 UTCEPSS rescore
  43. 2026-06-23 09:26 UTCEG score recompute
  44. 2026-06-23 09:26 UTCGHSA enrichment
  45. 2026-06-22 21:18 UTCEG score recompute
  46. 2026-06-22 21:18 UTCGHSA enrichment
  47. 2026-06-22 09:13 UTCEG score recompute
  48. 2026-06-22 09:12 UTCGHSA enrichment
  49. 2026-06-21 21:09 UTCEG score recompute
  50. 2026-06-21 21:08 UTCGHSA enrichment
  51. 2026-06-21 09:03 UTCEG score recompute
  52. 2026-06-21 09:03 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-12781?
CVE-2026-12781 is a high vulnerability published on June 21, 2026. A vulnerability was identified in EaseUS Partition Master up to 14.5. The affected element is an unknown function in the library epmntdrv.sys of the component Kernel Driver. The manipulation leads to improper access controls. The attack needs to be performed locally. The exploit is publicly…
When was CVE-2026-12781 disclosed?
CVE-2026-12781 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-2026-12781 actively exploited?
CVE-2026-12781 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12781?
CVE-2026-12781 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-12781?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12781, 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-2026-12781

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