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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.

PUBLISHED Reserved 2026-07-11 | Published 2026-07-12 | Updated 2026-07-12 | Assigner VulDB




MEDIUM: 4.8CVSS: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
MEDIUM: 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Improper Access Controls

Incorrect Privilege Assignment

Product status

13.0
affected

13.1
affected

13.2
affected

13.3
affected

13.4
affected

13.5
affected

13.6
affected

13.9
unaffected

Timeline

2026-07-11:Advisory disclosed
2026-07-11:VulDB entry created
2026-07-11:VulDB entry last update

Credits

winslow1984 (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/377780 (VDB-377780 | MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access control) vdb-entry

vuldb.com/vuln/377780/cti (VDB-377780 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-15475 (CVE-2026-15475 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/833842 (Submit #833842 | MiniTool MiniTool Partition Wizard 13.6 Local Privilege Escapation) third-party-advisory

winslow1984.com/...ver-pwdrviosys-local-privilege-escalation exploit

www.minitool.com/partition-manager/upgrade-history.html patch

cve.org (CVE-2026-15475)

nvd.nist.gov (CVE-2026-15475)

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