CVE-2026-28588
Received Received - Intake

External Storage Provider Directory Access Bypass

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: Android (associated with Google Inc. or Open Handset Alliance)

Description
In shouldBlockDirectoryFromTree of ExternalStorageProvider.java, there is a possible way to access protected data due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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Meta Information

Published
2026-11-02
Last Modified
2026-11-02
Generated
2026-11-02
AI Q&A
2026-11-02
EPSS Evaluated
N/A
NVD
CVE-2026-28588

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
Google Android 17
Google Android 16-qpr2
Google Android 16
Google Android 15
Google Android 14

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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Executive Summary

This vulnerability is a logic error in ExternalStorageProvider.java that allows access to protected data. It enables local privilege escalation without needing extra execution privileges or user interaction.

Impact Analysis

An attacker could exploit this to access sensitive data on your device. Since no additional permissions or user action are required, it poses a significant risk for unauthorized data exposure.

Mitigation Strategies

Apply the latest security update from Google to patch the logic error in ExternalStorageProvider.java. Monitor official Android security bulletins for updates and disable external storage access if not required.

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