CVE-2026-56978

Received Received - Intake

Out-of-Bounds Read in GC.c Leading to Local Privilege Escalation

Publication date: 2026-09-15

Last updated on: 2026-09-18

Assigner: Google Devices

Description

In get_global_config_item_addr of gc.c, there is a possible out-of-bounds read due to a missing bounds check. 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-2026-56978

EUVD

EUVD-2026-78981

Affected Vendors & Products

Vendor	Product	Version / Range
google	android	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is a missing bounds check in the function get_global_config_item_addr of gc.c, which can lead to an out-of-bounds read. This issue may allow local privilege escalation without requiring additional execution privileges or user interaction.

Impact Analysis

An attacker could exploit this to gain elevated privileges on the affected system, potentially allowing them to perform unauthorized actions or access sensitive data.

Mitigation Strategies

Apply vendor patches or updates if available. Monitor official security advisories for this CVE. Restrict access to affected systems until mitigation is confirmed. Review system logs for unusual activity related to privilege escalation.

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