CVE-2026-12466

high

Description

Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html

https://issues.chromium.org/issues/520199394

Details

Source: Mitre, NVD

Published: 2026-06-17

Updated: 2026-06-18

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00396

Detections

Analytics