CVE-2026-17780: Inappropriate implementation in Isolated Web Apps

Published May 15, 2026
·
Updated

Chromium: CVE-2026-17780 Inappropriate implementation in Isolated Web Apps

Other sources

Inappropriate implementation in Isolated Web Apps in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass navigation restrictions 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

Credit

Google

Affected Software

4 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

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 Google Chrome/Chromium (Isolated Web Apps) to a version that resolves this vulnerability.

    Fixed in 151.0.7922.72

Event History

May 15, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jul 30, 2026
CVE Published
via MITRE·12:19 AM
Data Sourced
via MITRE·12:19 AM
DescriptionWeakness
Data Sourced
via NVD·01:16 AM
DescriptionSeverityWeakness
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.

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Frequently Asked Questions

1

What is the severity of CVE-2026-17780?

CVE-2026-17780 has a severity rating of medium, with a CVSS score of 6.3.

2

How do I fix CVE-2026-17780?

To fix CVE-2026-17780, update Google Chrome or Microsoft Edge to version 151.0.7922.72 or later.

3

What does CVE-2026-17780 affect?

CVE-2026-17780 affects Google Chrome and Microsoft Edge, specifically versions prior to 151.0.7922.72.

4

What type of vulnerability is CVE-2026-17780?

CVE-2026-17780 is classified as an inappropriate implementation vulnerability in isolated web apps.

5

Who can exploit CVE-2026-17780?

CVE-2026-17780 can be exploited by a remote attacker to bypass navigation restrictions through crafted HTML pages.

Company

Resources

Contact

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