CVE-2026-113329

Modified Modified - Updated After Analysis

Out of Bounds Read in Google Chrome Installer on Mac

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Race condition in Installer in Google Chrome on on Mac prior to 156.0.8078.47 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (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-2026-113329

EUVD

EUVD-2026-105591

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-367	The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.
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 Installer component of Google Chrome on Mac. It allows a remote attacker to potentially read memory inside the sandbox by tricking a user into visiting a specially crafted HTML page. The impact is limited to memory access within the sandboxed environment.

Detection Guidance

This vulnerability is specific to Google Chrome on Mac prior to version 156.0.8078.47. To detect it, check your Chrome version by running 'google-chrome --version' in the terminal. If the version is below 156.0.8078.47, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to read sensitive memory data within the Chrome sandbox. While the sandbox limits the impact, it may still expose internal application data or user information processed by Chrome at the time of exploitation.

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 the Installer component.

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