CVE-2026-118309

Received Received - Intake

Improper Input Validation in Google Chrome on Android

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Chrome

Description

Improper input validation in UI in Google Chrome on on Android prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-27

Last Modified

2026-10-27

Generated

2026-10-28

AI Q&A

2026-10-28

EPSS Evaluated

N/A

NVD

CVE-2026-118309

EUVD

EUVD-2026-111471

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	156.0.8078.73

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper input validation issue in the user interface of Google Chrome on Android. It allows a remote attacker to potentially execute arbitrary code outside the sandbox by tricking a user into visiting a specially crafted HTML page.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, bypassing security restrictions. This could lead to unauthorized access to data, installation of malware, or other harmful actions.

Mitigation Strategies

Update Google Chrome on Android to version 156.0.8078.73 or later to address the vulnerability.

Hi! I’m here to help you understand CVE-2026-118309. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70