CVE-2026-17939: Inappropriate implementation in Passwords

Published May 17, 2026
·
Updated

Chromium: CVE-2026-17939 Inappropriate implementation in Passwords

Other sources

Insufficient validation of untrusted input in Passwords in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to perform UI spoofing via malicious network traffic. (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 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 (Passwords) to a version that resolves this vulnerability.

    Fixed in 151.0.7922.72
  4. Compensating control

    Because Microsoft Edge (Chromium-based) ingests Chromium and addresses this vulnerability, treat Edge as impacted by the Chromium fix; ensure Edge is updated to include Chromium’s fix so UI spoofing via malicious network traffic is mitigated.

Event History

May 17, 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·01:16 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-2026-17939?

The severity of CVE-2026-17939 is medium, with a CVSS score of 4.3.

2

How do I fix CVE-2026-17939?

To fix CVE-2026-17939, update Google Chrome or Microsoft Edge to versions 151.0.7922.72 or later.

3

What type of vulnerability is CVE-2026-17939?

CVE-2026-17939 is categorized as an inappropriate implementation and involves insufficient validation of untrusted input.

4

What impact does CVE-2026-17939 have?

CVE-2026-17939 allows a remote attacker to perform UI spoofing via malicious network traffic.

5

Which software is affected by CVE-2026-17939?

CVE-2026-17939 affects Google Chrome and Microsoft Edge (Chromium-based) prior to the specified versions.

Company

Resources

Contact

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