CVE-2026-20470 Information disclosure in MediaTek chipset
A missing permission check in MediaTek chipset telephony allows local attackers to disclose information without user interaction or additional privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-20470?
CVE-2026-20470 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 Telephony, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11086431; Issue ID: MSV-8189.
Weakness: CWE-926
Which versions are affected by CVE-2026-20470?
How do I fix CVE-2026-20470?
No fix has been published for CVE-2026-20470 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-20470 being exploited?
There is no known exploitation of CVE-2026-20470 in the wild and no public exploit code.
Sources
Also known as GHSA-673r-7q9g-8844.