CVE-2026-28597
Received Received - Intake

Improper Input Validation in Android URI Permissions Leads to Privilege Escalation

Publication date: 2026-11-02

Last updated on: 2026-11-02

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

Description
In writeGrantedUriPermissions of UriGrantsManagerService.java, there is a possible permission bypass due to improper input validation. 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-2026-28597

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
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-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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Executive Summary

This vulnerability is a permission bypass in Android's UriGrantsManagerService. It occurs due to improper input validation in the writeGrantedUriPermissions function, allowing local privilege escalation without needing additional execution privileges or user interaction.

Impact Analysis

An attacker could exploit this to gain elevated privileges on your device, potentially accessing sensitive data or performing unauthorized actions without your knowledge or consent.

Mitigation Strategies

Apply the latest Android security update from Google to patch the vulnerability in UriGrantsManagerService.java. Monitor official Android security bulletins for updates.

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