Critical (9.8). EPSS 3.8% chance of exploitation in the next 30 days.
A stack buffer overflow in the QUIC networking stack in Google Chrome prior to 62.0.3202.89 allowed a remote attacker to gain code execution via a malicious server.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.8% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)