CVE-2026-78960

Received Received - Intake

Information Leak in Google Chrome Extensions

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Chrome

Description

Information leak in Extensions in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to obtain cross-origin data via a crafted Chrome extension. (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-2026-78960

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	152.0.7977.65

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This vulnerability is an information leak in Google Chrome's Extensions feature. It allows a remote attacker to obtain cross-origin data through a crafted Chrome extension, potentially exposing sensitive information from different websites.

Impact Analysis

If you install a malicious Chrome extension exploiting this flaw, an attacker could steal data from websites you visit, including login credentials, personal information, or other sensitive data. Social engineering may be used to trick you into installing the harmful extension.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR (data protection) and HIPAA (health information privacy) by allowing access to protected user data without consent. Organizations may face legal penalties for failing to safeguard such data.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the vulnerability.

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