CVE-2026-28603: Elevation of privilege in Google Android
Description
In assertSafeToStartCustomActivity of AppRestrictionsFragment.java, there is a possible read/write access to private files due to a confused deputy. 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 arises from a confused deputy problem in the assertSafeToStartCustomActivity method within AppRestrictionsFragment.java in Google Android. It permits local attackers to gain elevated privileges by accessing private files without needing extra execution rights or user interaction. The CVSS v3.1 score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. The affected versions explicitly include Android versions 14, 15, 16, 16-qpr2, and 17. No patch or remediation details are provided in the input data.
Potential Impact
An attacker with local access can exploit this vulnerability to escalate privileges on the affected Android device, gaining unauthorized read/write access to private files. This compromises confidentiality, integrity, and availability of the system. No user interaction is required, increasing the risk of exploitation in local attack scenarios.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the available data. Until a patch is available, restrict local access to trusted users and monitor for suspicious activity related to AppRestrictionsFragment usage.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- google_android
- Date Reserved
- 2026-03-02T19:11:06.138Z
- State
- PUBLISHED
Threat ID: 6aa0560dacd9273b490f53bd
Added to database: 09/08/2026, 18:38:05 UTC
Last enriched: 09/16/2026, 01:44:28 UTC
Last updated: 10/23/2026, 15:10:12 UTC
Views: 30
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