CVE-2026-28663: Elevation of privilege in Google Android
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 v3.1
Score 7.8high
Affected software
Android
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Android's LauncherAppsService.java (buildIntentSenderForUser) enables an attacker with limited privileges to launch activities from the background by bypassing background activity launch restrictions (BAL Bypass). This leads to local privilege escalation without needing further execution privileges or user interaction. The CVSS v3.1 score is 7.8, reflecting high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows a local attacker to escalate privileges on the affected Android device, potentially gaining higher access rights and control. The vulnerability impacts confidentiality, integrity, and availability of the system. No user interaction is required, increasing the risk of automated or stealthy exploitation.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, limit local access to trusted users and monitor for suspicious activity related to background activity launches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- google_android
- Date Reserved
- 2026-03-02T19:11:24.241Z
- State
- PUBLISHED
Threat ID: 6aa05616acd9273b490f5508
Added to database: 09/08/2026, 18:38:14 UTC
Last enriched: 09/16/2026, 01:52:15 UTC
Last updated: 10/21/2026, 13:20:21 UTC
Views: 24
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