CVE-2026-56967

Analyzed Analyzed - Analysis Complete

Heap Buffer Overflow in Cellular Modem

Publication date: 2026-09-15

Last updated on: 2026-09-21

Assigner: Google Devices

Description

In Cellular Modem, there is a possible out-of-bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-21

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-56967

EUVD

EUVD-2026-78975

Affected Vendors & Products

Vendor	Product	Version / Range
google	android	*

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 heap buffer overflow vulnerability in a cellular modem that allows an out-of-bounds write. It could enable remote code execution in nearby devices without requiring user interaction or additional privileges.

Impact Analysis

An attacker within proximity could exploit this to execute arbitrary code on your device, potentially gaining control over its functions or stealing sensitive data.

Compliance Impact

This vulnerability could lead to unauthorized remote code execution, potentially exposing sensitive data. This may violate compliance requirements under GDPR (data protection) and HIPAA (health information security) if exploited.

Mitigation Strategies

Apply the latest security patches or updates provided by the device manufacturer or vendor. Disable unnecessary cellular modem features if possible. Monitor network traffic for unusual activity near the modem interface.

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