How severe is CVE-2026-12784?

CVE-2026-12784 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-2026-12784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-12784?

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-2026-12784 have an EU (EUVD) identifier?

Yes. CVE-2026-12784 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38149.

When was CVE-2026-12784 published?

CVE-2026-12784 was published on 2026-06-21 and last updated on 2026-06-22.

CVE-2026-12784

CVE-2026-12784 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% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38149
Weakness: CWE-266
Published: 2026-06-21
Last modified: 2026-06-22

Description

A weakness has been identified in IM-Magic Partition Resizer up to 7.9.0. This affects an unknown function in the library MDA_NTDRV.sys of the component Kernel Driver. This manipulation causes improper access controls. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-12784?: A weakness has been identified in IM-Magic Partition Resizer up to 7.9.0. This affects an unknown function in the library MDA_NTDRV.sys of the component Kernel Driver. This manipulation causes improper access controls. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-12784?: CVE-2026-12784 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-2026-12784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12784?: 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-2026-12784 have an EU (EUVD) identifier?: Yes. CVE-2026-12784 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38149.
When was CVE-2026-12784 published?: CVE-2026-12784 was published on 2026-06-21 and last updated on 2026-06-22.

References

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