CVE-2026-91716

Received Received - Intake

Use After Free in Google Chrome Auth Component

Publication date: 2026-09-15

Last updated on: 2026-09-16

Assigner: Chrome

Description

Use after free in Auth in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-15

Last Modified

2026-09-16

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-05

NVD

CVE-2026-91716

EUVD

EUVD-2026-79978

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 153.0.8010.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-416	The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

Executive Summary

This vulnerability is a use-after-free issue in the authentication component of Google Chrome before version 153.0.8010.47. A use-after-free occurs when a program continues to use a pointer after the memory it points to has been freed, potentially leading to arbitrary code execution outside the browser's sandbox.

Impact Analysis

An attacker could exploit this flaw by tricking you into visiting a specially crafted HTML page. Successful exploitation may allow the attacker to run malicious code on your system, bypassing security restrictions and potentially gaining control of your computer.

Compliance Impact

This vulnerability is a use-after-free issue in Google Chrome's Auth component, which could allow remote attackers to execute arbitrary code. Such vulnerabilities may lead to unauthorized data access or manipulation, potentially violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. However, specific compliance impacts depend on the affected system's use case and data handling.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.47 or later to address the use after free vulnerability in Auth.

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