A logic error in the Android VoiceInteractionManagerService could allow a local attacker to achieve privilege escalation by leveraging persistent component names after an application is uninstalled.

The vulnerability resides in the onSomePackagesChanged method of VoiceInteractionManagerService.java, where improper handling of package removal allows malicious components to persist, leading to local elevation of privilege without requiring user interaction.

Successful exploitation allows an attacker to gain elevated privileges on the device, potentially bypassing security boundaries and accessing sensitive user data or system functions. With a CVSS score of 7.8, this flaw represents a significant risk to device integrity and user privacy, as it permits unauthorized system-level operations by a local application.

Immediate Action: Apply the security updates provided in the December 2025 Android Security Bulletin to all affected devices.

Proactive Monitoring: Monitor system logs for unusual application behavior or unexpected privilege transitions that may indicate an attempt to exploit persistent component states.

Compensating Controls: Ensure that third party application installations are restricted to trusted sources, as the attack requires the presence of a malicious local application on the device.

Public Exploit Available: No — there is no confirmed public exploit in the available data.

Given the potential for local privilege escalation, organizations and users should prioritize the deployment of the December 2025 Android security patches. Immediate update of all supported Android devices is necessary to eliminate the risk posed by this logic error in the VoiceInteractionManagerService.