What’s Vulnerable › Vulnerabilities

CVE-2026-15475: MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access control

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-12 · updated 2026-10-25
• Weakness: CWE-266

Description

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.

Affected products

• MiniTool Partition Wizard: 13.0, 13.1, 13.2, 13.3, 13.4, 13.5 (+1)

References

• https://vuldb.com/cve/CVE-2026-15475
• https://vuldb.com/submit/833842
• https://vuldb.com/vuln/377780
• https://vuldb.com/vuln/377780/cti
• https://winslow1984.com/books/cve-collection/page/minitool-partition-wizard-kernel-driver-pwdrviosys-local-privilege-escalation
• https://www.minitool.com/partition-manager/upgrade-history.html

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