CVE-2026-13959: Insufficient validation of untrusted input in Blink on 2026-05-15

Published May 15, 2026
·
Updated

Chromium: CVE-2026-13959 Insufficient validation of untrusted input in Blink

Other sources

Insufficient validation of untrusted input in Blink in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

— 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

Affected Software

4 affected componentsFixes available
Google Chrome<150.0.7871.47
Google Chrome<150.0.7871.47
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 150.0.4078.48
  2. Upgrade

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

    Fixed in 150.0.7871.47Patch CVE-2026-13959
  3. Upgrade

    Upgrade Microsoft Edge (Chromium-based) to a version that resolves this vulnerability.

    Fixed in 150.0.7871.47Patch CVE-2026-13959

Event History

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 3, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
Jul 16, 2026
Data Sourced
12:00 AM
SeverityWeakness

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-2026-13959?

CVE-2026-13959 has a severity rating of medium with a score of 4.3 on the CVSS scale.

2

How do I fix CVE-2026-13959?

To fix CVE-2026-13959, users should update Google Chrome or Microsoft Edge to the latest version, specifically to 150.0.7871.47 or higher.

3

What type of vulnerability is CVE-2026-13959?

CVE-2026-13959 is classified as an insufficient validation of untrusted input vulnerability in the Blink component.

4

Which software is affected by CVE-2026-13959?

CVE-2026-13959 affects Google Chrome and Microsoft Edge (the Chromium-based version) as well as the original Microsoft Edge.

5

What can an attacker do with CVE-2026-13959?

An attacker can exploit CVE-2026-13959 to bypass the same origin policy through a crafted HTML page.

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