CVE-2026-15475 MiniTool CVE debrief

Who should care

Users of MiniTool Partition Wizard up to version 13.6 should be aware of this vulnerability and take steps to upgrade to version 13.9 or later. This involves verifying the official advisory for affected scope, severity, and vendor guidance. Affected operators and platforms should review their deployments and assign an owner for follow-up. Vulnerability management and security teams should prioritize this based on specific operational impact and existing security posture, considering the potential for local exploitation and the availability of the exploit in the public domain.

Technical summary

The vulnerability is caused by an unknown function in the pwdrvio.sys library of the Signed Kernel Driver component in MiniTool Partition Wizard up to 13.6. This allows for improper access controls, which can be exploited locally. The CVSS score for this vulnerability is 1.9, indicating a low severity. The affected product deployments should be reviewed, and an owner should be assigned for follow-up. The official advisory or CVE record should be reviewed to validate affected scope, severity, and vendor guidance.

Defensive priority

Low priority, as the vulnerability requires local access and has a low CVSS score. However, users of MiniTool Partition Wizard up to version 13.6 should be aware of this vulnerability and take steps to upgrade to version 13.9 or later, as the exploit has been made available to the public and could be used for attacks. Verify and apply the vendor's recommended patch, and monitor system logs for suspicious activity related to the pwdrvio.sys driver. Consider compensating controls for exposed systems while remediation is scheduled and verified. Track exceptions, retest remediated assets, and close the item only after evidence is documented. Review relevant monitoring, detection, and logs for exposed assets that need extra review. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. Check if additional security measures are required for the affected component and consider an asset inventory to identify potentially affected systems. Rollback or change windows may be necessary for remediation efforts. Source tracking can help verify the effectiveness of the remediation process. Ensure that all these steps are properly documented and verified to minimize potential risks associated with this vulnerability. Given the low CVSS score, prioritize based on specific operational impact and existing security posture. Consider the potential for local exploitation and the availability of the exploit in the public domain when determining the defensive priority and response strategy. The goal is to ensure that the response aligns with the actual risk posed by the vulnerability in the specific environment. Therefore, while the priority is low, it is crucial to follow through with the recommended actions to mitigate potential risks effectively. The defensive priority should be aligned with the organization's risk management strategy and the specific context of the affected systems. In general, it is advisable to treat vulnerabilities with publicly available exploits with a higher level of urgency, even if the CVSS score is on

Recommended defensive actions

• Upgrade to MiniTool Partition Wizard version 13.9 or later
• Verify and apply the vendor's recommended patch
• Monitor system logs for suspicious activity related to the pwdrvio.sys driver
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-12T03:16:10.860Z and has not been modified since then. The NVD entry is currently in the 'Received' status. Limited details are available about the specific vulnerability and its impact. The affected product, MiniTool Partition Wizard, has a known vulnerability in the pwdrvio.sys library of the Signed Kernel Driver component. Users should verify the official advisory for affected scope, severity, and vendor guidance. The CVE details are based on the information provided by the source item and may not be comprehensive.

Official resources