High (8.8). EPSS 2.4% chance of exploitation in the next 30 days.
Out-of-bounds Write in the QUIC networking stack in Google Chrome prior to 63.0.3239.84 allowed a remote attacker to gain code execution via a malicious server.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)