CVE-2026-17959: Inappropriate implementation in Network

Published May 28, 2026
·
Updated

Chromium: CVE-2026-17959 Inappropriate implementation in Network

Other sources

Inappropriate implementation in Network in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

— 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 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 to a version that resolves this vulnerability.

    Fixed in 151.0.7922.72

Event History

May 28, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jul 30, 2026
CVE Published
via MITRE·12:25 AM
Data Sourced
via MITRE·12:25 AM
DescriptionWeakness
Data Sourced
via NVD·01:17 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-2026-17959?

CVE-2026-17959 has a medium severity rating of 4.3 according to the CVSS v3.1 metrics.

2

How do I fix CVE-2026-17959?

To fix CVE-2026-17959, users should update Google Chrome to version 151.0.7922.72 or later.

3

What does CVE-2026-17959 vulnerability affect?

CVE-2026-17959 affects Google Chrome and Microsoft Edge browsers that are based on Chromium prior to the specified version.

4

What type of attack does CVE-2026-17959 allow?

CVE-2026-17959 allows a remote attacker to leak cross-origin data via a crafted HTML page.

5

What are the impacted software versions for CVE-2026-17959?

Google Chrome versions prior to 151.0.7922.72 and earlier versions of Chromium-based Microsoft Edge are impacted by CVE-2026-17959.

Company

Resources

Contact

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