CVE-2026-14000: Inappropriate implementation in XML on 2026-05-18

Published May 19, 2026
·
Updated

Chromium: CVE-2026-14000 Inappropriate implementation in XML

Other sources

Inappropriate implementation in XML in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) 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<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 Google Chrome/Chromium to a version that resolves this vulnerability.

    Fixed in 150.0.7871.47

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.

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Frequently Asked Questions

1

What is the severity of CVE-2026-14000?

CVE-2026-14000 has a medium severity rating of 6.1 according to the CVSS 3.1 score.

2

What causes CVE-2026-14000?

CVE-2026-14000 is caused by an inappropriate implementation in XML in Google Chrome which allows for the injection of arbitrary scripts or HTML.

3

How do I fix CVE-2026-14000?

To fix CVE-2026-14000, update Google Chrome to the latest version 150.0.7871.47 or higher.

4

What types of software are affected by CVE-2026-14000?

CVE-2026-14000 affects Google Chrome and Microsoft Edge (both the Chromium-based and the original versions).

5

What potential risks does CVE-2026-14000 pose?

CVE-2026-14000 poses a risk of user experience security issues through the possibility of external script injection leading to UXSS attacks.

Company

Resources

Contact

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