CVE-2026-78907

Received Received - Intake

Incorrect Authorization in WebProtect in Google Chrome

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Chrome

Description

Incorrect authorization in WebProtect in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to leak sensitive information via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-25

Last Modified

2026-08-25

Generated

2026-08-26

AI Q&A

2026-08-26

EPSS Evaluated

N/A

NVD

CVE-2026-78907

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 WebProtect within Google Chrome versions before 152.0.7977.65. A remote attacker could exploit this by crafting a malicious HTML page to bypass authorization checks and access sensitive information.

Impact Analysis

If you use an affected version of Google Chrome, this vulnerability could allow attackers to steal sensitive data such as passwords, personal details, or browsing history through specially designed web pages.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, potentially violating GDPR (data protection) and HIPAA (health information privacy) by allowing attackers to access or leak sensitive user data.

Mitigation Strategies

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

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