Heap Buffer Overflow in Android rw_mfc

Publication date: 2026-09-08

Last updated on: 2026-09-23

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 memory safety issue due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-08

Last Modified

2026-09-23

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-49882

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-122	A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

Executive Summary

This is a memory safety issue in the rw_mfc module where a heap buffer overflow can occur during a read operation. This flaw could potentially allow an attacker to execute arbitrary code remotely without needing additional privileges or user interaction.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device remotely. This might lead to unauthorized access, data theft, or further compromise of the system without requiring any user action.

Mitigation Strategies

Apply the latest security patches or updates provided by the vendor for the affected component. Since this vulnerability is in rw_mfc_handle_read_op of rw_mfc.cc, ensure the Android system or relevant firmware is updated to the latest version to address the heap buffer overflow issue.

Hi! I’m here to help you understand CVE-2026-49882. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70