CVE-2026-12781
EaseUS Partition Master Kernel Driver epmntdrv.sys access control
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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."
| CWE | CWE-284 CWE-266 |
| Vendor | easeus |
| Product | partition master |
| Published | Jun 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
EaseUS / Partition Master
14.0 14.1 14.2 14.3 14.4 14.5
References
vuldb.com: https://vuldb.com/vuln/372522 vuldb.com: https://vuldb.com/vuln/372522/cti vuldb.com: https://vuldb.com/cve/CVE-2026-12781 vuldb.com: https://vuldb.com/submit/835611 winslow1984.com: https://winslow1984.com/books/cve-collection/page/easeus-partition-master-145-kernel-driver-epmntdrvsys-local-privilege-escalation easeus.com: https://www.easeus.com/partition-manager/
Credits
🔍 winslow1984 (VulDB User) VulDB CNA Team