CVE-2026-113300

Modified Modified - Updated After Analysis

Out-of-Bounds Write in Google Chrome Forms

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Observable discrepancy in Forms in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to leak sensitive information via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-03

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-113300

EUVD

EUVD-2026-105699

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 156.0.8078.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-203	The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out of bounds write issue in the Forms component of Google Chrome versions before 156.0.8078.47. It allows a remote attacker to execute arbitrary code outside the sandbox by tricking a user into visiting a specially crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 156.0.8078.47. To detect it, check your Chrome version by running chrome://version/ in the browser address bar. If your version is below 156.0.8078.47, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, potentially stealing data, installing malware, or taking control of your system. It specifically bypasses Chrome's sandbox protections.

Compliance Impact

This vulnerability could potentially lead to unauthorized code execution, which may result in data breaches or unauthorized access to sensitive information. This could impact compliance with GDPR by violating data protection principles and HIPAA by compromising protected health information.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later immediately. This can be done via the browser's built-in update mechanism or by downloading the latest version from Google's official site.

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