CVE-2026-87465
Analyzed Analyzed - Analysis Complete

Incorrect Authorization in Google Chrome Downloads UI

Vulnerability report for CVE-2026-87465, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-09

Last updated on: 2026-09-09

Assigner: Chrome

Description

Incorrect authorization in Downloads in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

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Meta Information

Published
2026-09-09
Last Modified
2026-09-09
Generated
2026-09-29
AI Q&A
2026-09-09
EPSS Evaluated
2026-09-27
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 153.0.8010.36 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

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Executive Summary

This vulnerability involves incorrect authorization in the Downloads feature of Google Chrome before version 153.0.8010.36. A remote attacker who had already compromised the renderer process could exploit this to spoof UI elements by using a specially crafted HTML page.

Detection Guidance

This vulnerability involves incorrect authorization in Google Chrome's Downloads feature. Detection primarily requires checking the Chrome version and monitoring for suspicious UI behavior. Use chrome://version to check your version and ensure it is 153.0.8010.36 or later. No specific network commands are provided for detection.

Impact Analysis

If you use an affected version of Chrome, an attacker could trick you into downloading malicious files or taking unintended actions by displaying fake UI elements. This could lead to data theft or further compromise of your system.

Compliance Impact

This vulnerability involves incorrect authorization in Chrome's Downloads feature, allowing a remote attacker to spoof UI elements via a crafted HTML page. While it does not directly impact GDPR or HIPAA compliance, such UI spoofing could potentially deceive users into downloading malicious files, which may lead to unauthorized data access or breaches. This could indirectly affect compliance by increasing the risk of data exposure or unauthorized processing.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the incorrect authorization issue in Downloads.

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