CVE-2025-48567
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Unicode Normalization Bypass in Android File Path Filter Enables Privilege Escalation

Publication date: 2026-03-02

Last updated on: 2026-03-06

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

Description
In multiple locations, there is a possible bypass of a file path filter designed to prevent access to sensitive directories due to incorrect unicode normalization. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
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Meta Information
Published
2026-03-02
Last Modified
2026-03-06
Generated
2026-06-16
AI Q&A
2026-03-02
EPSS Evaluated
2026-06-15
NVD
CVE-2025-48567
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
google android 14.0
google android 15.0
google android 16.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
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Executive Summary

This vulnerability involves a bypass of a file path filter that is intended to prevent access to sensitive directories. The bypass occurs because of incorrect handling of unicode normalization in multiple locations. Essentially, the system fails to properly normalize unicode characters in file paths, allowing an attacker to circumvent security checks.

Exploitation of this vulnerability requires user interaction and can lead to local escalation of privilege without needing any additional execution privileges.

Impact Analysis

This vulnerability can allow an attacker to escalate their privileges locally on the affected system. Because the file path filter can be bypassed, an attacker might gain unauthorized access to sensitive directories or files.

The escalation of privilege can occur without requiring additional execution privileges, which means that even users with limited permissions could potentially exploit this issue if they can interact with the system.

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