CVE-2026-28663

Analyzed Analyzed - Analysis Complete

Background Activity Launch Bypass in Android Launcher

Publication date: 2026-09-08

Last updated on: 2026-09-23

Assigner: Android (associated with Google Inc. or Open Handset Alliance)

Description

In buildIntentSenderForUser of LauncherAppsService.java, there is a possible way to launch an activity from the background due to BAL Bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-08

Last Modified

2026-09-23

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-28663

Affected Vendors & Products

Vendor	Product	Version / Range
google	android	16.0
google	android	16.0
google	android	17.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability allows an attacker to launch an activity from the background without user interaction due to a BAL bypass in LauncherAppsService.java. It requires no additional execution privileges and could lead to local privilege escalation.

Detection Guidance

I don't know

Detection methods or specific commands are not provided in the available CVE context.

Impact Analysis

An attacker could exploit this to gain elevated privileges on your device, potentially allowing them to perform unauthorized actions without your knowledge or consent.

Mitigation Strategies

Apply the latest Android security patches as soon as they are available to address the BAL bypass issue in LauncherAppsService.java.

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