CVE-2026-79066

Analyzed Analyzed - Analysis Complete

Improper Input Validation in Google Chrome Navigation

Publication date: 2026-08-25

Last updated on: 2026-08-31

Assigner: Chrome

Description

Improper input validation in Navigation in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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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

2026-09-14

NVD

CVE-2026-79066

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper input validation in the Navigation feature of Google Chrome before version 152.0.7977.65. A remote attacker who already compromised the renderer process could exploit a crafted HTML page to bypass site isolation protections.

Impact Analysis

If exploited, this flaw could allow an attacker to access data from different sites or perform actions on behalf of the user across isolated sites. This increases the risk of data theft or unauthorized actions.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or similar standards. It involves improper input validation in Google Chrome's Navigation component, enabling a renderer process compromise to bypass site isolation. No evidence suggests this impacts data protection or privacy compliance requirements.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the improper input validation issue in Navigation.

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