CVE-2026-17664: Insufficient validation of untrusted input in Loader

Published Apr 8, 2026
·
Updated

Chromium: CVE-2026-17664 Insufficient validation of untrusted input in Loader

Other sources

Insufficient validation of untrusted input in Loader in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

— NVD

This CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

Credit

Google

Affected Software

5 affected componentsFixes available
Google Chrome<151.0.7922.72
Google Chrome<151.0.7922.71
151.0.7922.71
Microsoft Edge (Chromium-based)<151.0.4129.59
151.0.4129.59
Microsoft Edge<151.0.4129.59
Google Chrome<151.0.7922.72

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 151.0.7922.71
  2. Upgrade

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

    Fixed in 151.0.4129.59
  3. Upgrade

    Upgrade Chromium / Google Chrome (Loader) to a version that resolves this vulnerability.

    Fixed in 151.0.7922.72

Event History

Apr 8, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jul 30, 2026
CVE Published
via MITRE·12:18 AM
Data Sourced
via MITRE·12:18 AM
DescriptionWeakness
Data Sourced
via NVD·01:16 AM
DescriptionSeverityWeaknessAffected Software
Jul 31, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-17664?

The severity of CVE-2026-17664 is rated as medium, with a CVSS score of 6.5.

2

How do I fix CVE-2026-17664?

To fix CVE-2026-17664, you should update Google Chrome to version 151.0.7922.72 or later.

3

What is CVE-2026-17664?

CVE-2026-17664 is a vulnerability in Google Chrome that allows a remote attacker to leak cross-origin data due to insufficient validation of untrusted input in the Loader.

4

Which software is affected by CVE-2026-17664?

CVE-2026-17664 affects Google Chrome and Microsoft Edge, which is Chromium-based.

5

What could be the potential impact of CVE-2026-17664?

The potential impact of CVE-2026-17664 includes a remote attacker being able to extract sensitive cross-origin data via a crafted HTML page.

Company

Resources

Contact

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