CVE-2026-12781CWE-266CWE-284

EaseUS Partition Master Kernel Driver epmntdrv.sys access control

High · published June 21, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
4.8
In the wild
Unconfirmed
What it is

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."

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00160 · 4.8th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-284 · Improper Access Control
Published
2026-06-21T05:45Z
EPSS history
Timeline
  • 21 JUN 05:45Z
    EaseUS Partition Master Kernel Driver epmntdrv.sys access control
    cvelistv5