CVE-2026-106231

Undergoing Analysis Undergoing Analysis - In Progress

Heap Memory Exposure in Google Chrome on Mac

Publication date: 2026-10-06

Last updated on: 2026-10-07

Assigner: Chrome

Description

Uninitialized resource in Dawn in Google Chrome on on Mac prior to 155.0.8059.39 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-06

Last Modified

2026-10-07

Generated

2026-10-19

AI Q&A

2026-10-07

EPSS Evaluated

2026-10-18

NVD

CVE-2026-106231

EUVD

EUVD-2026-93817

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 155.0.8059.39 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-908	The product uses or accesses a resource that has not been initialized.

Attack-Flow Graph

Executive Summary

This vulnerability is an uninitialized resource issue in Dawn, a component of Google Chrome on Mac. It allows a remote attacker to read memory outside the sandbox by tricking a user into visiting a specially crafted HTML page. The issue has a high severity rating from Chromium.

Detection Guidance

This vulnerability is specific to Google Chrome on Mac prior to version 155.0.8059.39. Detection involves checking the installed Chrome version. Use the command 'google-chrome --version' on Mac to verify if your version is below 155.0.8059.39. If so, update Chrome immediately.

Impact Analysis

An attacker could exploit this to access sensitive data in memory that should be protected. This might include personal information, login credentials, or other confidential data stored in the browser's memory.

Compliance Impact

This vulnerability allows a remote attacker to read memory outside the sandbox via a crafted HTML page, which could lead to unauthorized access to sensitive data. This may impact compliance with GDPR (data protection) and HIPAA (health information privacy) by potentially exposing personal or health-related data.

Mitigation Strategies

Update Google Chrome to version 155.0.8059.39 or later to address the uninitialized resource issue in Dawn.

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