CVE-2026-82671 IObit Unlocker IRP_MJ_DEVICE_CONTROL IObitUnlocker.sys ZwTerminateProcess privileges management

Medium 4.6 Published Updated

A local attacker can exploit improper privilege management in the IObit Unlocker driver to escalate privileges on the system.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-82671?

CVE-2026-82671 is a medium-severity vulnerability in IObit Unlocker, published on 31 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been found in IObit Unlocker 1.3.0.12. This vulnerability affects the function ZwTerminateProcess in the library IObitUnlocker.sys of the component IRP_MJ_DEVICE_CONTROL Handler. The manipulation leads to improper privilege management. An attack has to be approached locally. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-269, CWE-266

Which versions are affected by CVE-2026-82671?

How do I fix CVE-2026-82671?

No fix has been published for CVE-2026-82671 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-82671 being exploited?

There is no known exploitation of CVE-2026-82671 in the wild and no public exploit code.

Sources

Also known as GHSA-jjcc-6jqg-8qx4.

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