CVE-2026-15475CWE-266CWE-284

MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access control

Medium · published July 12, 2026

CVSS v4.0
4.8
EPSS
0%
Percentile
3.5
In the wild
Unconfirmed
What it is

A weakness has been identified in MiniTool Partition Wizard up to 13.6. The affected element is an unknown function in the library pwdrvio.sys of the component Signed Kernel Driver. This manipulation causes improper access controls. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. Upgrading to version 13.9 is sufficient to fix this issue. The affected component should be upgraded. The vendor was contacted early about this disclosure.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00146 · 3.5th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-284 · Improper Access Control
Published
2026-07-12T02:15Z
EPSS history
Timeline
  • 12 JUL 02:15Z
    MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access control
    cvelistv5