Heap Overflow in Android rw_mfc Component

Publication date: 2026-09-08

Last updated on: 2026-09-15

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

Description

In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write 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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-15

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-28639

Affected Vendors & Products

Vendor	Product	Version / Range
google	android	14.0
google	android	15.0
google	android	16.0
google	android	16.0
google	android	17.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-693	The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Attack-Flow Graph

Executive Summary

This vulnerability is a logic error in the code of rw_mfc.cc, specifically in the rw_mfc_handle_read_op function. It allows for a possible out of bounds write, which could be exploited to gain local escalation of privilege. No additional execution privileges or user interaction are required for exploitation.

Impact Analysis

This vulnerability could allow an attacker to escalate their privileges on your system. Since no additional execution privileges or user interaction are needed, it could be exploited by an attacker with limited access to gain higher-level control, potentially leading to unauthorized system access or actions.

Mitigation Strategies

Apply the latest security patches or updates provided by the vendor for the affected component. Monitor official advisories from Android for patches related to rw_mfc.cc.

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