CVE-2026-87440

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Google Chrome

Publication date: 2026-09-09

Last updated on: 2026-09-10

Assigner: Chrome

Description

Out of bounds read in Media in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-09

Last Modified

2026-09-10

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87440

EUVD

EUVD-2026-74490

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out of bounds read vulnerability in Google Chrome's Media component. It allows a remote attacker to execute arbitrary code within the browser's sandbox by tricking a user into visiting a specially crafted HTML page. The issue exists in Chrome versions prior to 153.0.8010.36.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 153.0.8010.36. Detection involves checking the installed Chrome version. On Windows, run: wmic product where "name like 'Google Chrome'" get version. On Linux, run: google-chrome --version. If the version is below 153.0.8010.36, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device through Chrome, potentially stealing data, installing malware, or monitoring your activities. Since it executes inside the sandbox, it may bypass some security restrictions but still poses significant risk.

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 by risking personal data breaches and HIPAA by potentially exposing protected health information if exploited.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the vulnerability. Disable unnecessary browser features if updates are not immediately available.

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