CVE-2026-13866: Insufficient validation of untrusted input in Input

Published Mar 28, 2026
·
Updated

Chromium: CVE-2026-13866 Insufficient validation of untrusted input in Input

Other sources

Inappropriate implementation in Input in Google Chrome on Android prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

— MITRE

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

6 affected componentsFixes available
Google Chrome for Android<150.0.7871.47
Google Chrome<150.0.7871.46
150.0.7871.46
All of the following
Google Chrome<150.0.7871.47
Google Android
Microsoft Edge (Chromium-based)<150.0.4078.48
150.0.4078.48
Microsoft Edge<150.0.4078.48

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 150.0.7871.46
  2. Upgrade

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

    Fixed in 150.0.4078.48
  3. Upgrade

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

    Fixed in 150.0.7871.47
  4. Compensating control

    Assume a compromised renderer process could bypass site isolation; limit exposure by reducing trust in renderer content (e.g., avoid loading untrusted HTML/content) until updated to a fixed Chrome/Chromium version.

Event History

Mar 28, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 30, 2026
CVE Published
via MITRE·10:38 PM
Data Sourced
via MITRE·10:38 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeaknessAffected Software
Jul 11, 2026
Data Sourced
via Microsoft·10:41 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·10:41 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-13866?

The severity of CVE-2026-13866 is medium with a score of 6.5 on the CVSS scale.

2

How do I fix CVE-2026-13866?

To mitigate CVE-2026-13866, update Google Chrome for Android to version 150.0.7871.47 or later.

3

What is the impact of CVE-2026-13866?

CVE-2026-13866 allows a remote attacker to bypass site isolation through untrusted input in Google Chrome on Android.

4

Which versions of Google Chrome are affected by CVE-2026-13866?

CVE-2026-13866 affects Google Chrome on Android versions prior to 150.0.7871.47.

5

Does CVE-2026-13866 involve input validation issues?

Yes, CVE-2026-13866 is categorized under Input Validation vulnerabilities.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203