CVE-2026-15475 MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access control
A local attacker can exploit improper access controls in the MiniTool Partition Wizard kernel driver to escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15475?
CVE-2026-15475 is a medium-severity vulnerability in MiniTool Partition Wizard, published on 12 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-15475?
How do I fix CVE-2026-15475?
No fix has been published for CVE-2026-15475 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-15475 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15475 exists.
Sources
Also known as GHSA-fx54-g6r7-6jq2.