CVE-2026-91741

Received Received - Intake

Type Confusion in Google Chrome CacheStorage

Publication date: 2026-09-15

Last updated on: 2026-09-16

Assigner: Chrome

Description

Type confusion in CacheStorage in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-15

Last Modified

2026-09-16

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-91741

EUVD

EUVD-2026-79969

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 153.0.8010.47 (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 vulnerability is a type confusion issue in CacheStorage in Google Chrome versions prior to 153.0.8010.47. It allows a remote attacker to execute arbitrary code inside the sandbox by tricking a user into visiting a specially crafted HTML page.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, potentially stealing data, installing malware, or taking control of your browser session. It specifically targets the sandbox environment, which is meant to contain such threats.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations may face compliance breaches if user data is compromised through this exploit.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.47 or later to address the type confusion vulnerability in CacheStorage.

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