CVE-2026-17743: Insufficient policy enforcement in ControlledFrame

Published Apr 3, 2026
·
Updated

Chromium: CVE-2026-17743 Insufficient policy enforcement in ControlledFrame

Other sources

Insufficient policy enforcement in ControlledFrame in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy 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

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

    Fixed in 151.0.7922.72

Event History

Apr 3, 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
Description
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-2026-17743?

CVE-2026-17743 has a severity rating of medium with a score of 4.

2

How do I fix CVE-2026-17743?

To fix CVE-2026-17743, users should update Google Chrome or Microsoft Edge to the latest version.

3

What vulnerabilities does CVE-2026-17743 address?

CVE-2026-17743 addresses insufficient policy enforcement in the ControlledFrame component of Google Chrome.

4

Who is affected by CVE-2026-17743?

Users of Google Chrome prior to version 151.0.7922.72 and Microsoft Edge based on Chromium are affected by CVE-2026-17743.

5

What type of attack can occur due to CVE-2026-17743?

CVE-2026-17743 allows a remote attacker to bypass the same origin policy via a crafted HTML page.

Company

Resources

Contact

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