CVE-2026-12454 is a vulnerability in Google Chrome
Published on June 17, 2026
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)
Weakness Type
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
CVE-2026-12454 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2026-12454
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Affected Versions
Google Chrome:- Version 149.0.7827.155 and below 149.0.7827.155 is affected.