CVE-2026-11660: High Insufficient validation of untrusted input in New Tab Page

Published May 16, 2026
·
Updated

Chromium: CVE-2026-11659 Insufficient validation of untrusted input in UI

Other sources

Insufficient validation of untrusted input in New Tab Page in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape 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

7 affected componentsFixes available
Google Google Chrome<149.0.7827.103
Microsoft Edge<149.0.4022.62
All of the following
Google Chrome<149.0.7827.103
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
Microsoft Edge (Chromium-based)<149.0.4022.62
149.0.4022.62

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 149.0.4022.62
  2. Upgrade

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

    Fixed in 149.0.7827.103

Event History

Jun 8, 2026
CVE Published
via MITRE·11:27 PM
Data Sourced
via MITRE·11:27 PM
DescriptionWeakness
Jun 9, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
Jun 16, 2026
Data Sourced
via Microsoft·02:14 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:14 AM
DescriptionAffected Software
Jul 28, 2026
Data Sourced
12:00 AM
SeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-11660?

CVE-2026-11660 has a severity rating of high with a CVSS score of 8.3.

2

How do I fix CVE-2026-11660?

To fix CVE-2026-11660, update Google Chrome to version 149.0.7827.103 or later.

3

What impact does CVE-2026-11660 have on user security?

CVE-2026-11660 allows remote attackers to potentially perform a sandbox escape, compromising user security.

4

Which software is affected by CVE-2026-11660?

CVE-2026-11660 affects Google Chrome versions prior to 149.0.7827.103.

5

What type of vulnerability is CVE-2026-11660?

CVE-2026-11660 is an input validation vulnerability that leads to insufficient validation of untrusted input.

Company

Resources

Contact

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