CVE-2026-113165
Modified Modified - Updated After Analysis

Use After Free in Google Chrome on Mac

Vulnerability report for CVE-2026-113165, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Inappropriate implementation in Core in Google Chrome on on Mac prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

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Meta Information

Published
2026-10-20
Last Modified
2026-11-03
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 156.0.8078.47 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
CWE-841 The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence.

Attack-Flow Graph

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Executive Summary

This vulnerability is a use-after-free issue in Google Chrome's Core component on Mac systems. It allows a remote attacker to execute arbitrary code within the sandbox by tricking a user into visiting a specially crafted HTML page. The flaw exists in Chrome versions prior to 156.0.8078.47.

Detection Guidance

Detection of this vulnerability requires checking the installed version of Google Chrome. Compare the version against 156.0.8078.47 or later. If your version is older, the system is vulnerable. Use commands like 'google-chrome --version' on Linux or check 'chrome://settings/help' in the browser.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially stealing data, installing malware, or taking control of your device. Since it executes inside the sandbox, the impact is limited but still serious as it bypasses normal security boundaries.

Compliance Impact

This vulnerability allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. Such arbitrary code execution could lead to unauthorized access to sensitive data, which may violate GDPR's data protection principles or HIPAA's security requirements for protected health information.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later to address the use after free vulnerability in Core.

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