---
id: CVE-2026-28636
title: >-
  In setupLayout of PickActivity.java, there is a possible bypass of the
  "Install unknown apps" security restriction due to a confused deputy
summary: >-
  In setupLayout of PickActivity.java, there is a possible bypass of the
  "Install unknown apps" security restriction due to a confused deputy. This
  could lead to local escalation of privilege with no additional execution
  privileges needed.…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-441
vendor: google
product: android
affected:
  - android = 14.0
  - android = 15.0
  - android = 16.0
published: '2026-09-08'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T14:06:09.793'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-28636'
references:
  - url: 'https://source.android.com/docs/security/bulletin/2026/2026-09-01'
    label: security@android.com
tags:
  - nvd
  - cve.org
epss: 0.00068
epssPercentile: 0.00035
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-10T03:57:19.009609Z'
ingestedAt: '2026-09-08T19:08:49.642Z'
---

## Overview

In setupLayout of PickActivity.java, there is a possible bypass of the "Install unknown apps" security restriction 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

- `android = 14.0`
- `android = 15.0`
- `android = 16.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.