Privilege escalation in Minitool Partition Wizard
CVE-2026-15475
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.001 (3.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Minitool Partition Wizard — versions 13.0, 13.1, 13.2
Weakness classification (CWE)
References
- vuldb.com/vuln/377780 (vdb-entry)
- vuldb.com/vuln/377780/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-15475 (third-party-advisory)
- vuldb.com/submit/833842 (third-party-advisory)
- winslow1984.com/books/cve-collection/page/minitool-partition-wizard-kernel-driv… (exploit)
- www.minitool.com/partition-manager/upgrade-history.html (patch)
Frequently asked questions
- What is CVE-2026-15475?
- CVE-2026-15475 is a medium-severity vulnerability in Minitool Partition Wizard, classified under Incorrect Privilege Assignment. CVSS score: 5.3/10. Published 2026-07-12.
- How severe is CVE-2026-15475?
- Medium severity. CVSS v3 base score is 5.3 out of 10.