CVE-2026-20468 Privilege escalation in MediaTek chipset
A confused deputy vulnerability in MediaTek apusys allows local privilege escalation for attackers with System privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-20468?
CVE-2026-20468 is a medium-severity vulnerability in MediaTek, Inc. MediaTek chipset, published on 3 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In apusys, there is a possible escalation of privilege due to a confused deputy. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: AUTO00833804; Issue ID: MSV-6741.
Weakness: CWE-787
Which versions are affected by CVE-2026-20468?
How do I fix CVE-2026-20468?
Apply the vendor's patch.
Is CVE-2026-20468 being exploited?
There is no known exploitation of CVE-2026-20468 in the wild and no public exploit code.
Sources
Also known as A-518595862, ASB-A-518595862, GHSA-mx6c-568m-63m2, M-AUTO00833804.