CVE-2026-15475
MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access control
CVSS Score
5.3
EPSS Score
0.1%
EPSS Percentile
1th
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.
| CWE | CWE-284 CWE-266 |
| Vendor | minitool |
| Product | partition wizard |
| Published | Jul 12, 2026 |
| Last Updated | Jul 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
MiniTool / Partition Wizard
13.0 13.1 13.2 13.3 13.4 13.5 13.6
References
vuldb.com: https://vuldb.com/vuln/377780 vuldb.com: https://vuldb.com/vuln/377780/cti vuldb.com: https://vuldb.com/cve/CVE-2026-15475 vuldb.com: https://vuldb.com/submit/833842 winslow1984.com: https://winslow1984.com/books/cve-collection/page/minitool-partition-wizard-kernel-driver-pwdrviosys-local-privilege-escalation minitool.com: https://www.minitool.com/partition-manager/upgrade-history.html
Credits
🔍 winslow1984 (VulDB User) VulDB CNA Team