CVE-2026-79031: Improper resource exposure in Preload

Published Apr 16, 2026
·
Updated

Improper resource exposure in Preload in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Credit

Google

Affected Software

2 affected componentsFixes available
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

Apr 16, 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·09:17 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which Chrome versions should be considered affected?

Google Chrome versions earlier than 152.0.7977.65 are affected. Update Chrome to 152.0.7977.65 or later.

2

What does an attacker need to exploit this issue?

The attacker must be able to get a user to load a crafted HTML page remotely. The provided information does not indicate that local access or prior authentication is required.

3

What security boundary could be bypassed?

Successful exploitation could bypass Chrome site isolation. This is a browser security boundary intended to separate content from different sites.

Company

Resources

Contact

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