MiniTool Partition Wizard Signed Kernel Driver pwdrvio.sys access control
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 4.8epss 0.1%
exploitation probability
0.1%top 96% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS: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
Affected products
MiniTool · Partition Wizardpublic PoCs found — 1
cve_referencewinslow1984.com/books/cve-collection/page/minitool-partition-wizard-kernel-driver-pwdrviosys-local-privilege-escalationunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://vuldb.com/cve/CVE-2026-15475https://vuldb.com/submit/833842https://vuldb.com/vuln/377780https://vuldb.com/vuln/377780/ctihttps://winslow1984.com/books/cve-collection/page/minitool-partition-wizard-kernel-driver-pwdrviosys-local-privilege-escalationhttps://www.minitool.com/partition-manager/upgrade-history.html