CVE-2026-78956

Analyzed Analyzed - Analysis Complete

Type Confusion in Google Chrome

Publication date: 2026-08-25

Last updated on: 2026-08-27

Assigner: Chrome

Description

Type confusion in V8 in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-25

Last Modified

2026-08-27

Generated

2026-09-15

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-13

NVD

CVE-2026-78956

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-843	The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Attack-Flow Graph

Executive Summary

This is a type confusion vulnerability in V8, the JavaScript engine used by Google Chrome. It allows a remote attacker to execute arbitrary code inside the sandbox by tricking a user into visiting a specially crafted HTML page. The attacker could leverage social engineering to deceive the user into accessing the malicious page.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 152.0.7977.65. To detect it, check your Chrome version by running chrome --version or chrome://settings/help in the browser. If your version is below 152.0.7977.65, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, potentially leading to unauthorized access, data theft, or installation of malware. Since it executes inside the sandbox, the impact is limited but still dangerous if combined with other vulnerabilities.

Compliance Impact

This vulnerability involves type confusion in V8 within Google Chrome, enabling remote attackers to execute arbitrary code via crafted HTML pages. While the severity is rated as Low, such vulnerabilities could potentially lead to unauthorized data access or manipulation, which may impact compliance with GDPR (data protection) or HIPAA (health data privacy) if exploited. However, specific compliance impacts are not detailed in the provided context.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the type confusion vulnerability in V8.

Hi! I’m here to help you understand CVE-2026-78956. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70