CVE-2026-87599

Analyzed Analyzed - Analysis Complete

Improper Input Validation in Google Chrome Interstitials

Publication date: 2026-09-09

Last updated on: 2026-09-10

Assigner: Chrome

Description

Improper input validation in Interstitials in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to spoof UI elements 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

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87599

EUVD

EUVD-2026-74364

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper input validation in Interstitials within Google Chrome before version 153.0.8010.36. A remote attacker could exploit this by crafting a malicious HTML page to deceive users by spoofing UI elements, potentially tricking them into taking unintended actions.

Detection Guidance

This vulnerability involves improper input validation in Google Chrome's Interstitials feature. Detection primarily requires checking the installed Chrome version. Run 'google-chrome --version' or check 'chrome://settings/help' in the browser. If the version is below 153.0.8010.36, the system is vulnerable.

Impact Analysis

This vulnerability could allow attackers to trick you into interacting with fake UI elements, such as buttons or dialogs, leading to unintended actions like downloading malware, revealing sensitive information, or granting unauthorized permissions.

Compliance Impact

This vulnerability involves improper input validation leading to UI spoofing in Google Chrome. While it does not directly disclose sensitive data, it could enable phishing attacks that trick users into revealing personal or health information, potentially violating GDPR or HIPAA compliance if such data is compromised.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the improper input validation issue in Interstitials that could allow UI spoofing.

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