CVE-2026-87489

Analyzed Analyzed - Analysis Complete

Memory Corruption in Google Chrome V8 via Malicious Extension

Publication date: 2026-09-09

Last updated on: 2026-09-10

Assigner: Chrome

Description

Memory corruption in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted Chrome extension. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-09

Last Modified

2026-09-10

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87489

EUVD

EUVD-2026-74469

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 153.0.8010.36 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-119	The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Attack-Flow Graph

Executive Summary

This vulnerability is a memory corruption issue in V8, the JavaScript engine used by Google Chrome. It allows a remote attacker to execute arbitrary code inside the Chrome sandbox by exploiting a crafted Chrome extension. The severity is rated as Low by Chromium, but the CVSS score suggests high impact.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 153.0.8010.36. To detect it, check your Chrome version by running chrome://version/ in the browser. If your version is below 153.0.8010.36, the system is vulnerable. Update Chrome immediately to the latest version.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your system even if you're using Chrome's sandbox. This could lead to unauthorized access, data theft, or further compromise of your device.

Compliance Impact

This vulnerability involves memory corruption in Google Chrome's V8 engine, potentially allowing arbitrary code execution via a crafted extension. Such vulnerabilities could lead to unauthorized data access or manipulation, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the memory corruption vulnerability in V8.

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