Low (3.1) in google chrome. EPSS 0.2% chance of exploitation in the next 30 days.
Insufficient validation of untrusted input in WebAuthentication in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)
Severity
CVSS 3.1
3.1 low
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)