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

Quick assessment

Affected
MiniTool Partition Wizard
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MiniTool partition wizard是MiniTool公司的一款磁盘分区管理工具。 MiniTool Partition Wizard 13.6及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于Signed Kernel Driver组件中pwdrvio.sys库的内部函数存在访问控制不当，可能导致本地攻击者利用。以下版本受到影响：13.0版本、13.1版本、13.2版本、13.3版本、13.4版本、13.5版本和13.6版本。

CVSS 5.3 · Medium EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 8

VendorProduct Version RangeStatus
MiniTool Partition Wizard 13.0 affected
13.1 affected
13.2 affected
13.3 affected
13.4 affected
13.5 affected
13.6 affected
13.9 unaffected
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I. Basic Information for CVE-2026-15475

Vulnerability Information
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Vulnerability Title
MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access control
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
MiniTool Partition Wizard 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MiniTool partition wizard是MiniTool公司的一款磁盘分区管理工具。 MiniTool Partition Wizard 13.6及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于Signed Kernel Driver组件中pwdrvio.sys库的内部函数存在访问控制不当，可能导致本地攻击者利用。以下版本受到影响：13.0版本、13.1版本、13.2版本、13.3版本、13.4版本、13.5版本和13.6版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MiniTool Partition Wizard 13.0 cpe:2.3:a:minitool:partition_wizard:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15475

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III. Intelligence Information for CVE-2026-15475

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Security Blog Posts for CVE-2026-15475 (1)

IV. Related Vulnerabilities

Same vendor: MiniTool
Same weakness: CWE-284

V. Comments for CVE-2026-15475

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