How severe is CVE-2026-12782?

CVE-2026-12782 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-12782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-12782?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-12782 have an EU (EUVD) identifier?

Yes. CVE-2026-12782 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38147.

When was CVE-2026-12782 published?

CVE-2026-12782 was published on 2026-06-21 and last updated on 2026-06-23.

CVE-2026-12782

CVE-2026-12782 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
CVSS v4: 7.1
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38147
Weakness: CWE-266
Published: 2026-06-21
Last modified: 2026-06-23

Description

A security flaw has been discovered in EaseUS Partition Master up to 14.5. The impacted element is an unknown function in the library EUEDKEPM.sys of the component Kernel Driver. The manipulation results in improper access controls. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The affected component should be upgraded. 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."

Frequently asked questions

What is CVE-2026-12782?: A security flaw has been discovered in EaseUS Partition Master up to 14.5. The impacted element is an unknown function in the library EUEDKEPM.sys of the component Kernel Driver. The manipulation results in improper access controls. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The affected component should be upgraded. 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."
How severe is CVE-2026-12782?: CVE-2026-12782 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-12782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12782?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-12782 have an EU (EUVD) identifier?: Yes. CVE-2026-12782 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38147.
When was CVE-2026-12782 published?: CVE-2026-12782 was published on 2026-06-21 and last updated on 2026-06-23.

References

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