Vulnerability in Google Chrome

CVE-2026-91744

Race condition in PlatformIntegration in Google Chrome on on Mac prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-91744?
CVE-2026-91744 is a medium-severity vulnerability in Google Chrome, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.3/10. Published 2026-09-15.
How severe is CVE-2026-91744?
Medium severity. CVSS v3 base score is 5.3 out of 10.