CVE-2026-78898

Analyzed Analyzed - Analysis Complete

Incorrect Authorization in Google Chrome Downloads

Publication date: 2026-08-25

Last updated on: 2026-08-31

Assigner: Chrome

Description

Incorrect authorization in Downloads in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-25

Last Modified

2026-08-31

Generated

2026-09-15

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-13

NVD

CVE-2026-78898

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (exc)

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

This vulnerability involves incorrect authorization in the Downloads feature of Google Chrome before version 152.0.7977.65. A remote attacker could exploit this by tricking a user into visiting a specially crafted HTML page, potentially bypassing system access restrictions.

Detection Guidance

This vulnerability involves incorrect authorization in Google Chrome's Downloads feature. Detection primarily requires checking the installed Chrome version and reviewing download permissions. No specific commands are provided in the context to directly detect this issue.

Impact Analysis

The vulnerability could allow an attacker to bypass system access restrictions on your device if you visit a malicious HTML page. This might lead to unauthorized access to files or system functions, depending on the attacker's goals.

Compliance Impact

The vulnerability involves incorrect authorization in Google Chrome's Downloads feature, allowing bypass of system access restrictions via social engineering. This could potentially lead to unauthorized data access or exfiltration, which may impact compliance with GDPR (data protection) or HIPAA (health data privacy) if sensitive information is exposed.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the incorrect authorization issue in Downloads.

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