CVE-2026-12778 AOMEI Partition Assistant Kernel Driver ampa10.sys access control

High 8.5 Published Updated

Local attackers can exploit improper access controls in the AOMEI Partition Assistant 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-2026-12778?

CVE-2026-12778 is a high-severity vulnerability in AOMEI Partition Assistant, published on 21 Jun 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 AOMEI Partition Assistant up to 10.10.1. This vulnerability affects unknown code in the library ampa10.sys of the component Kernel Driver. Such manipulation leads to improper access controls. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-284, CWE-266

Which versions are affected by CVE-2026-12778?

How do I fix CVE-2026-12778?

No fix has been published for CVE-2026-12778 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-12778 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12778 exists.

Sources

Also known as GHSA-9fg6-8666-rx55.

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