How severe is CVE-2026-12779?

CVE-2026-12779 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-2026-12779 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-2026-12779?

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-2026-12779 have an EU (EUVD) identifier?

Yes. CVE-2026-12779 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38144.

When was CVE-2026-12779 published?

CVE-2026-12779 was published on 2026-06-21 and last updated on 2026-06-22.

CVE-2026-12779

CVE-2026-12779 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-2026-38144
Weakness: CWE-266
Published: 2026-06-21
Last modified: 2026-06-22

Description

A vulnerability was found in AOMEI Dynamic Disk Manager up to 10.10.1. This issue affects some unknown processing in the library ddmdrv.sys of the component Kernel Driver. Performing a manipulation results in improper access controls. The attack must be initiated from a local position. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-12779?: A vulnerability was found in AOMEI Dynamic Disk Manager up to 10.10.1. This issue affects some unknown processing in the library ddmdrv.sys of the component Kernel Driver. Performing a manipulation results in improper access controls. The attack must be initiated from a local position. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-12779?: CVE-2026-12779 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-2026-12779 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-2026-12779?: 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-2026-12779 have an EU (EUVD) identifier?: Yes. CVE-2026-12779 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38144.
When was CVE-2026-12779 published?: CVE-2026-12779 was published on 2026-06-21 and last updated on 2026-06-22.

References

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