In insertInternal of MmsProvider.java, there is a possible multiuser isolation issue due to a missing permission check.

Summary

In insertInternal of MmsProvider.java, there is a possible multiuser isolation issue due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not 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