CVE-2026-87590

Analyzed Analyzed - Analysis Complete

Improper Input Validation in Google Chrome

Publication date: 2026-09-09

Last updated on: 2026-09-11

Assigner: Chrome

Description

Improper input validation in Passwords in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially leak sensitive information via crafted network traffic. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-09

Last Modified

2026-09-11

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87590

EUVD

EUVD-2026-74338

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 the Passwords feature of Google Chrome before version 153.0.8010.36. A remote attacker could exploit this by sending crafted network traffic to potentially access or leak sensitive information stored in passwords.

Detection Guidance

This vulnerability involves improper input validation in Google Chrome's Passwords feature. Detection primarily requires checking Chrome version and monitoring for suspicious network traffic patterns. Update Chrome to version 153.0.8010.36 or later to mitigate the issue. No specific commands are provided in the context to detect this vulnerability directly.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive password data, leading to potential unauthorized account access, data breaches, or identity theft. Users of affected Chrome versions are at risk of information leakage.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA if it results in unauthorized access to personal or health data. Organizations may face legal penalties, fines, or reputational damage due to data breaches caused by this issue.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the improper input validation issue.

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