---
id: CVE-2026-0089
title: >-
  In multiple functions of PackageInstallerService.java, there is a possible way
  to install unverified apps due to a missing permission check
summary: >-
  In multiple functions of PackageInstallerService.java, there is a possible way
  to install unverified apps due to a missing permission check. 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-269
vendor: google
product: android
affected:
  - android = 16.0
published: '2026-06-01'
updated: '2026-07-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-0089'
references:
  - url: 'https://source.android.com/docs/security/bulletin/2026/2026-06-01'
    label: security@android.com
tags:
  - nvd
epss: 0.00067
epssPercentile: 0.00029
ingestedAt: '2026-07-23T08:15:14.449Z'
---

## Overview

In multiple functions of PackageInstallerService.java, there is a possible way to install unverified apps due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## Affected

- `android = 16.0`

## Remediation

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