Medium (4.7) in google chrome. EPSS 0.2% chance of exploitation in the next 30 days.
Side-channel information leakage in Navigation and Loading in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Severity
CVSS 3.1
4.7 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)