Vulnerability in Google Chrome

CVE-2026-12454

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)

Vulnerability class: Race Condition

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-12454?
CVE-2026-12454 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.3/10. Published 2026-06-17.
How severe is CVE-2026-12454?
High severity. CVSS v3 base score is 8.3 out of 10.