CVE-2026-113151

Modified Modified - Updated After Analysis

Out-of-Bounds Read in Google Chrome

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Missing authorization in Actor in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

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-2026-113151

EUVD

EUVD-2026-105646

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out of bounds read issue in the Actor component of Google Chrome before version 156.0.8078.47. It allows a remote attacker to read memory inside 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. If your version is below 156.0.8078.47, the system is vulnerable. Update Chrome to the latest version to mitigate the issue.

Impact Analysis

An attacker could exploit this to access sensitive data in memory, potentially leading to information disclosure. Since it occurs within the sandbox, the impact is limited but still poses a risk to user privacy and system integrity.

Compliance Impact

This vulnerability allows a remote attacker to read memory inside the sandbox via a crafted HTML page. This could potentially expose sensitive data, which may impact compliance with GDPR (data protection) and HIPAA (health information privacy) if such data is accessed or leaked.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later to address the out of bounds read vulnerability in Actor.

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