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Samsung Bixby Command Execution: CVE-2026-21055 — Improper Component Export Enables Local Privilege Escalation

On July 7, 2026, Samsung published its monthly Mobile Security Bulletin for Android applications. Buried in the “Moderate” row was SVE-2026-0917, assigned CVE-2026-21055 by NIST: an improper export of Android application components in Bixby — Samsung’s voice as…