CVE-2026-58934

Summary

A logic error in WindowState.java's prepareWindowToDisplayDuringRelayout method allows a local attacker to bypass permission checks when displaying windows, enabling escalation of privilege without user interaction or additional privileges.

Exploitability

Exploitation requires local access and no additional privileges; the flaw is triggered programmatically during window layout operations, making it exploitable by a malicious app or compromised process with basic Android runtime access.

Blast radius

Successful exploitation could allow an unprivileged local process to gain full system-level access, compromising confidentiality, integrity, and availability of the entire device.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Apply the official patch released in Android Security Bulletin 2026-07 (or later), specifically addressing WindowState.java logic in prepareWindowToDisplayDuringRelayout; if no bulletin or version is published, disable window relayout features for untrusted apps via device policy or SELinux policy restrictions.

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.