CVE-2026-28603: High severity Google Android vulnerability
Published Sep 8, 2026
·Updated
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.
Affected Software
5 affected components
Google Android=14.0
Google Android=15.0
Google Android=16.0
Google Android=16.0-qpr2
Google Android=17.0
Remediation
Event History
Sep 8, 2026
CVE Published
via MITRE·06:04 PM
Data Sourced
via MITRE·06:04 PM
DescriptionWeakness
Data Sourced
via NVD·07:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What does an attacker need before exploiting this issue?
The issue is described as a local escalation of privilege and requires no additional execution privileges.
2
Is user interaction required for exploitation?
No. Exploitation does not require user interaction.
3
What access could successful exploitation provide?
Successful exploitation could allow read and write access to private files through a confused-deputy condition.