CVE-2026-110921

Undergoing Analysis Undergoing Analysis - In Progress

Use After Free in Google Chrome V8 Engine

Publication date: 2026-10-15

Last updated on: 2026-10-16

Assigner: Chrome

Description

Use after free in V8 in Google Chrome prior to 155.0.8059.84 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

2026-10-15

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-16

EPSS Evaluated

2026-10-18

NVD

CVE-2026-110921

EUVD

EUVD-2026-102515

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	155.0.8059.84

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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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 is a use-after-free vulnerability in V8, the JavaScript engine used by Google Chrome. It occurs when a program tries to use memory that has already been freed, potentially leading to arbitrary code execution within the browser's sandbox. The vulnerability is triggered by a specially crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 155.0.8059.84. Detection involves checking the installed Chrome version. On Windows, run 'chrome.exe --version' in Command Prompt. On Linux, use 'google-chrome --version' or check via package manager like 'apt list --installed | grep google-chrome'. If the version is below 155.0.8059.84, the system is vulnerable.

Impact Analysis

An attacker could exploit this to execute malicious code on your system through a compromised webpage. Since it allows code execution inside the sandbox, it may bypass some security restrictions, potentially leading to data theft, malware installation, or further system compromise.

Compliance Impact

This vulnerability allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages, which could lead to unauthorized data access or manipulation. This may impact compliance with GDPR (data protection) and HIPAA (health data security) by potentially exposing sensitive user data or violating confidentiality requirements.

Mitigation Strategies

Update Google Chrome to version 155.0.8059.84 or later to address the use-after-free vulnerability in V8.

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