CVE-2026-17758

Analyzed Analyzed - Analysis Complete

Heap Buffer Overflow in Google Chrome Dawn

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Heap buffer overflow in Dawn in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-30

Last Modified

2026-08-03

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17758

EUVD

EUVD-2026-50678

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 151.0.7922.72 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-122	A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

Executive Summary

This vulnerability is a heap buffer overflow in Dawn, a component of Google Chrome. It occurs when Chrome versions before 151.0.7922.72 process a specially crafted HTML page, potentially allowing a remote attacker to execute arbitrary code or escape the browser sandbox.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 151.0.7922.72. To detect it, check your Chrome version by running chrome --version or chrome://version in the browser. If the version is below 151.0.7922.72, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could let an attacker run malicious code on your system, steal data, install malware, or take control of your device. Visiting a compromised website might trigger the attack without additional user interaction.

Compliance Impact

This vulnerability involves a heap buffer overflow in Google Chrome's Dawn component, which could allow a remote attacker to escape the sandbox via a crafted HTML page. Such vulnerabilities may lead to unauthorized data access or execution, potentially violating GDPR's integrity and confidentiality requirements or HIPAA's safeguards for protected health information.

Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later to address the heap buffer overflow vulnerability in Dawn.

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