In multiple functions of MmiUtils.java, there is a possible risk of USSD/MMI code execution due to improper input validation.

Summary

In multiple functions of MmiUtils.java, there is a possible risk of USSD/MMI code execution due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

Remediation

1. Inventory every Google Android deployment, including staging.
2. No fixed version appears in the public sources yet. Check the references below and the vendor directly.

References

• Referencehttps://source.android.com/docs/security/bulletin/2026/2026-11-01