CVE-2026-12781

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
7.8
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(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
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 6× in last 7d / 71× 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. 2026-07-23 03:05 UTCEG score recompute
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:30 UTCEPSS rescore
  5. 2026-07-18 10:04 UTCEPSS rescore
  6. 2026-07-17 03:11 UTCGHSA enrichment
  7. 2026-07-16 17:02 UTCEPSS rescore
  8. 2026-07-16 15:08 UTCGHSA enrichment
  9. 2026-07-16 02:55 UTCGHSA enrichment
  10. 2026-07-15 16:57 UTCEPSS rescore
  11. 2026-07-15 14:52 UTCGHSA enrichment
  12. 2026-07-15 02:49 UTCGHSA enrichment
  13. 2026-07-14 14:46 UTCGHSA enrichment
  14. 2026-07-14 02:43 UTCGHSA enrichment
  15. 2026-07-13 22:30 UTCEPSS rescore
  16. 2026-07-13 14:40 UTCGHSA enrichment
  17. 2026-07-13 06:12 UTCEPSS rescore
  18. 2026-07-13 02:36 UTCGHSA enrichment
  19. 2026-07-12 14:32 UTCGHSA enrichment
  20. 2026-07-12 02:29 UTCGHSA enrichment
  21. 2026-07-11 14:26 UTCGHSA enrichment
  22. 2026-07-11 02:23 UTCGHSA enrichment
  23. 2026-07-10 14:17 UTCGHSA enrichment
  24. 2026-07-10 02:11 UTCGHSA enrichment
  25. 2026-07-09 19:10 UTCEPSS rescore
Show 54 more
  1. 2026-07-09 14:03 UTCGHSA enrichment
  2. 2026-07-09 01:57 UTCGHSA enrichment
  3. 2026-07-08 15:15 UTCEPSS rescore
  4. 2026-07-08 15:15 UTCEPSS rescore
  5. 2026-07-08 13:54 UTCGHSA enrichment
  6. 2026-07-08 01:45 UTCGHSA enrichment
  7. 2026-07-07 13:46 UTCEPSS rescore
  8. 2026-07-07 13:40 UTCGHSA enrichment
  9. 2026-07-07 01:37 UTCGHSA enrichment
  10. 2026-07-06 16:27 UTCEPSS rescore
  11. 2026-07-06 13:33 UTCGHSA enrichment
  12. 2026-07-06 02:23 UTCEPSS rescore
  13. 2026-07-06 01:23 UTCGHSA enrichment
  14. 2026-07-05 13:20 UTCGHSA enrichment
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-05 01:17 UTCGHSA enrichment
  18. 2026-07-04 13:04 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-04 01:01 UTCGHSA enrichment
  21. 2026-07-03 12:57 UTCGHSA enrichment
  22. 2026-07-02 23:59 UTCGHSA enrichment
  23. 2026-07-02 11:56 UTCGHSA enrichment
  24. 2026-07-01 23:53 UTCGHSA enrichment
  25. 2026-07-01 15:06 UTCEPSS rescore
  26. 2026-07-01 15:06 UTCEPSS rescore
  27. 2026-07-01 11:50 UTCGHSA enrichment
  28. 2026-06-30 23:47 UTCGHSA enrichment
  29. 2026-06-30 23:22 UTCEPSS rescore
  30. 2026-06-30 11:41 UTCGHSA enrichment
  31. 2026-06-29 23:35 UTCGHSA enrichment
  32. 2026-06-29 11:29 UTCGHSA enrichment
  33. 2026-06-28 23:26 UTCGHSA enrichment
  34. 2026-06-28 14:07 UTCEPSS rescore
  35. 2026-06-28 11:23 UTCGHSA enrichment
  36. 2026-06-28 04:56 UTCEPSS rescore
  37. 2026-06-28 04:56 UTCEPSS rescore
  38. 2026-06-27 23:20 UTCGHSA enrichment
  39. 2026-06-27 11:17 UTCGHSA enrichment
  40. 2026-06-27 03:08 UTCEPSS rescore
  41. 2026-06-26 23:14 UTCGHSA enrichment
  42. 2026-06-26 11:09 UTCGHSA enrichment
  43. 2026-06-25 21:47 UTCGHSA enrichment
  44. 2026-06-25 09:43 UTCGHSA enrichment
  45. 2026-06-24 21:40 UTCGHSA enrichment
  46. 2026-06-24 09:37 UTCGHSA enrichment
  47. 2026-06-23 21:33 UTCGHSA enrichment
  48. 2026-06-23 21:32 UTCEPSS rescore
  49. 2026-06-23 09:26 UTCGHSA enrichment
  50. 2026-06-22 21:18 UTCGHSA enrichment
  51. 2026-06-22 09:12 UTCGHSA enrichment
  52. 2026-06-21 21:08 UTCGHSA enrichment
  53. 2026-06-21 09:03 UTCEG score recompute
  54. 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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