CVE-2026-12780 AOMEI Backupper Kernel Driver amwrtdrv.sys access control

High 8.5 Published Updated

Local attackers can exploit improper access controls in the AOMEI Backupper 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-2026-12780?

CVE-2026-12780 is a high-severity vulnerability in AOMEI Backupper, 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 was determined in AOMEI Backupper up to 8.3.0. Impacted is an unknown function in the library amwrtdrv.sys of the component Kernel Driver. Executing a manipulation can lead to improper access controls. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. 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-2026-12780?

How do I fix CVE-2026-12780?

No fix has been published for CVE-2026-12780 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-12780 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12780 exists.

Sources

Also known as GHSA-6373-275m-34g3.

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