In resolveToHeavyWeightSwitcherIfNeeded of ActivityStarter.java, there is a possible background activity launch due to a confused deputy.

Summary

In resolveToHeavyWeightSwitcherIfNeeded of ActivityStarter.java, there is a possible background activity launch due to a confused deputy. 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