Executive brief
A vulnerability in MediaTek's GenieZone virtualization software could allow a malicious actor to gain higher-level system privileges. To exploit this, an attacker must already have significant access to the device. If successful, they could bypass security boundaries to gain deeper control over the hardware, potentially compromising the entire device's security architecture.
Technical details
An out-of-bounds (OOB) write vulnerability exists in MediaTek GenieZone (a hypervisor/TEE environment) due to insufficient bounds checking on input. A local attacker who has already compromised the 'System' privilege level can exploit this flaw to perform an unauthorized memory write. This can lead to a further escalation of privilege within the secure environment. The exploit does not require user interaction. MediaTek has released a fix under Patch ID ALPS10886526.
Affected products
- MediaTek GenieZone
Timeline
- 2026-06-01: disclosed
- 2026-06-01: advisory