CVE-2026-58734

Received Received - Intake

Google MBA Race Condition Leads to Privilege Escalation

Publication date: 2026-09-15

Last updated on: 2026-09-18

Assigner: Google Devices

Description

In google_mba_recv_msg of google_mba_poll.c, there is a possible out-of-bounds write due to a race condition. 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

Probability:
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Meta Information

Published

2026-09-15

Last Modified

2026-09-18

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-58734

EUVD

EUVD-2026-79013

Affected Vendors & Products

Vendor	Product	Version / Range
google	android	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is a race condition in the function google_mba_recv_msg within google_mba_poll.c. It allows an out-of-bounds write, which could lead to local privilege escalation. Exploitation requires no additional execution privileges or user interaction.

Detection Guidance

This vulnerability involves a race condition in google_mba_recv_msg leading to out-of-bounds write. Detection requires code analysis or runtime monitoring for memory corruption patterns in the google_mba_poll.c component. No specific commands are provided in the context.

Impact Analysis

An attacker could exploit this to gain higher privileges on your system, potentially allowing them to execute arbitrary code or access sensitive data. Since no user interaction is needed, the risk is elevated.

Compliance Impact

This vulnerability could lead to local privilege escalation, potentially allowing unauthorized access to sensitive data. While not directly tied to compliance standards, such access could violate GDPR's data protection principles or HIPAA's security rules if exploited in systems handling protected health or personal data.

Mitigation Strategies

Apply the latest security patches or updates from Google for the affected component. Monitor official advisories for patches and disable unnecessary services if patches are not immediately available.

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