CVE-2026-87479

Analyzed Analyzed - Analysis Complete

Insufficient Policy Enforcement in Google Chrome Extensions

Publication date: 2026-09-09

Last updated on: 2026-09-10

Assigner: Chrome

Description

Insufficient policy enforcement in Extensions in Google Chrome prior to 153.0.8010.36 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

EPSS Scores

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Meta Information

Published

2026-09-09

Last Modified

2026-09-10

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87479

EUVD

EUVD-2026-74347

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-807	The product uses a protection mechanism that relies on the existence or values of an input, but the input can be modified by an untrusted actor in a way that bypasses the protection mechanism.

Attack-Flow Graph

Executive Summary

This vulnerability is due to insufficient policy enforcement in Google Chrome's Extensions feature. A remote attacker who already compromised the renderer process could use social engineering to trick a user into visiting a crafted HTML page. This may allow the attacker to execute arbitrary code outside the sandbox, bypassing security restrictions.

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 address bar. If your version is below 153.0.8010.36, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could let an attacker run malicious code on your system outside Chrome's sandbox. This might allow them to steal data, install malware, or take control of your device. Social engineering is required, so users must be tricked into visiting a harmful page.

Compliance Impact

This vulnerability involves insufficient policy enforcement in Google Chrome's Extensions, allowing a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. This could potentially lead to unauthorized data access or modification, which may impact compliance with standards like GDPR (data protection) or HIPAA (health information privacy) if sensitive data is compromised.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the vulnerability.

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