Out of Bounds Read in Android MountRegistry

Publication date: 2026-09-08

Last updated on: 2026-09-24

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

Description

In forEachLine of MountRegistry.cpp, there is a possible out of bounds read due to a buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-24

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-58839

Affected Vendors & Products

Vendor	Product	Version / Range
google	android	14.0
google	android	15.0
google	android	16.0
google	android	16.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-120	The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is a buffer overflow in the forEachLine function of MountRegistry.cpp. It allows an out of bounds read, which could lead to local privilege escalation. No additional execution privileges or user interaction are required for exploitation.

Impact Analysis

This vulnerability could allow an attacker to gain elevated privileges on your system. Since it requires local access but no user interaction, it may be exploited by malicious applications or users with limited access.

Mitigation Strategies

Apply the latest security patches from Android or the affected system vendor immediately. Monitor official Android security bulletins for updates related to CVE-2026-58839. Disable unnecessary services or features that may expose the vulnerable component until patched.

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