CVE-2026-28600: High severity PaymentDefaultDialog.java vulnerability
Published Sep 8, 2026
·Updated
In onCreate of PaymentDefaultDialog.java, there is a possible way to change default payment app 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
PaymentDefaultDialog.java
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 level of access does an attacker need to exploit this issue?
The issue is described as a local escalation of privilege, so exploitation requires local access. No additional execution privileges are needed.
2
Does exploiting this vulnerability require user interaction?
No. The vulnerability description states that user interaction is not needed for exploitation.
3
What is the security impact if exploitation succeeds?
An attacker may be able to change the device's default payment application through a confused-deputy condition, resulting in local privilege escalation.