CVE-2026-87645

Modified Modified - Updated After Analysis

Improper State Validation in Google Chrome Safebrowsing

Publication date: 2026-09-09

Last updated on: 2026-09-10

Assigner: Chrome

Description

Improper state validation in Safebrowsing in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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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-2026-87645

EUVD

EUVD-2026-74335

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-754	The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper state validation in Safebrowsing in Google Chrome before version 153.0.8010.36. A remote attacker could exploit this by creating a specially crafted HTML page to bypass system access restrictions.

Detection Guidance

This vulnerability involves improper state validation in Google Chrome's Safebrowsing feature. Detection primarily requires checking the installed version of Google Chrome. If your version is prior to 153.0.8010.36, the system is vulnerable. Use the following command to check the version: chrome --version or google-chrome --version. Compare the output with the patched version 153.0.8010.36.

Impact Analysis

An attacker could use this flaw to bypass security restrictions, potentially accessing restricted content or performing unauthorized actions on your system through Chrome.

Compliance Impact

The vulnerability involves improper state validation in Google Chrome's Safebrowsing feature, which could allow a remote attacker to bypass system access restrictions. This could potentially lead to unauthorized data access or exposure, which may impact compliance with standards like GDPR (data protection) or HIPAA (healthcare data privacy) if sensitive information is involved.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the improper state validation in Safebrowsing.

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