CVE-2026-12466CWE-122

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

High · published June 17, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
35.8
In the wild
Unconfirmed
What it is

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)

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00426 · 35.8th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-06-17T01:38Z
EPSS history
Timeline
  • 17 JUN 01:38Z
    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
    cvelistv5