CVE-2026-12454: Race in Safe Browsing

Published May 27, 2026
·
Updated

Chromium: CVE-2026-12454 Race in Safe Browsing

Other sources

Race in Safe Browsing in Google Chrome on Mac prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

— 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

6 affected componentsFixes available
Google Google Chrome for Mac<149.0.7827.155
Google Chrome<149.0.7827.155
149.0.7827.155
All of the following
Google Chrome<149.0.7827.155
Apple macOS
Microsoft Edge<149.0.4022.80
Microsoft Edge (Chromium-based)<149.0.4022.80
149.0.4022.80

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 149.0.7827.155
  2. Upgrade

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

    Fixed in 149.0.4022.80
  3. Upgrade

    Upgrade Chromium (Google Chrome/Chromium-based browsers) to a version that resolves this vulnerability.

    Fixed in 149.0.7827.155

Event History

May 27, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 17, 2026
CVE Published
via MITRE·01:38 AM
Data Sourced
via MITRE·01:38 AM
DescriptionWeakness
Data Sourced
via NVD·01:20 PM
DescriptionSeverityWeaknessAffected Software
Jun 19, 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-2026-12454?

The severity of CVE-2026-12454 is classified as High.

2

How do I fix CVE-2026-12454?

To fix CVE-2026-12454, update Google Chrome for Mac to version 149.0.7827.155 or later.

3

What type of vulnerability is CVE-2026-12454?

CVE-2026-12454 is categorized as a race condition vulnerability.

4

What does CVE-2026-12454 allow an attacker to do?

CVE-2026-12454 allows a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

5

Which software is affected by CVE-2026-12454?

Google Chrome for Mac versions prior to 149.0.7827.155 are affected by CVE-2026-12454.

Company

Resources

Contact

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