CVE-2026-78897

Received Received - Intake

Missing Authorization in BrowserTag in Google Chrome

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Chrome

Description

Missing authorization in BrowserTag in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted Chrome extension. (Chromium security severity: Low)

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-2026-78897

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability involves missing authorization in BrowserTag within Google Chrome versions before 152.0.7977.65. A remote attacker could exploit this by tricking a user into installing a malicious Chrome extension, potentially gaining access to sensitive information.

Impact Analysis

If exploited, this vulnerability could allow an attacker to steal sensitive data through a crafted Chrome extension. Users might unknowingly install harmful extensions due to social engineering tactics, leading to data breaches or privacy violations.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA requirements for data protection and user consent. Organizations may face compliance penalties if such breaches occur due to inadequate security measures.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the missing authorization issue in BrowserTag.

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