CVE-2026-12007: Use After Free

Published May 26, 2026
·
Updated

Chromium: CVE-2026-12007 Use after free  Core

Other sources

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

Use after free in Core in Google Chrome on Windows prior to 149.0.7827.115 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

— NVD

Credit

Google

Affected Software

6 affected componentsFixes available
Google Google Chrome (Windows)<149.0.7827.115
Microsoft Edge<149.0.4022.69
Google Chrome<149.0.7827.114
149.0.7827.114
All of the following
Google Chrome<149.0.7827.115
Microsoft Windows
Microsoft Edge (Chromium-based)<149.0.4022.69
149.0.4022.69

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 149.0.7827.114
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 149.0.4022.69
  3. Upgrade

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

    Fixed in 149.0.7827.115
  4. Upgrade

    Upgrade Microsoft Edge (Chromium-based) / Chromium to a version that resolves this vulnerability.

    Fixed in 149.0.7827.115

Event History

May 26, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 11, 2026
CVE Published
via MITRE·08:48 PM
Data Sourced
via MITRE·08:48 PM
DescriptionWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software
Jun 15, 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-2026-12007?

CVE-2026-12007 has a severity rating of high with a CVSS score of 8.8.

2

How do I fix CVE-2026-12007?

To fix CVE-2026-12007, update Google Chrome and Microsoft Edge to the latest versions.

3

What type of vulnerability is CVE-2026-12007?

CVE-2026-12007 is a use after free vulnerability in the core of Google Chrome.

4

Which software products are affected by CVE-2026-12007?

CVE-2026-12007 affects Google Chrome and Microsoft Edge that are based on Chromium.

5

When was CVE-2026-12007 published?

CVE-2026-12007 was published on May 26, 2026.

Company

Resources

Contact

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