CVE-2026-79260: Improper input validation in Cookies

Published Jul 10, 2026
·
Updated

Improper input validation in Cookies in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

Credit

Google

Affected Software

2 affected componentsFixes available
Google Google Chrome<152.0.7977.65
Google Chrome<152.0.7977.64
152.0.7977.64

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 152.0.7977.64

Event History

Jul 10, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Aug 25, 2026
CVE Published
via MITRE·08:10 PM
Data Sourced
via MITRE·08:10 PM
DescriptionWeakness
Data Sourced
via NVD·09:18 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What access does an attacker need to exploit this issue?

The attacker must already have compromised the Chrome renderer process. The issue is then triggered through a crafted HTML page.

2

What security boundary can be bypassed?

A compromised renderer can bypass the web origin policy, which is intended to isolate content from different web origins.

3

Which Chrome versions need to be updated?

Google Chrome versions prior to 152.0.7977.65 are affected. Update to 152.0.7977.65 or later.

Company

Resources

Contact

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