CVE-2026-12443CWE-416

Use after free in Web Authentication in Google Chrome 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
1%
Percentile
48.7
In the wild
Unconfirmed
What it is

Use after free in Web Authentication in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

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
0.00613 · 48.7th percentile
Weakness
CWE-416 · Use After Free
Published
2026-06-17T01:38Z
EPSS history
Timeline
  • 17 JUN 01:38Z
    Use after free in Web Authentication in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page
    cvelistv5