CVE-2026-11201CWE-416

Use after free in ServiceWorker in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to execute…

High · published June 4, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
10.1
In the wild
Unconfirmed
What it is

Use after free in ServiceWorker in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted Chrome Extension. (Chromium security severity: Medium)

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
0.00206 · 10.1th percentile
Weakness
CWE-416 · Use After Free
Published
2026-06-04T23:05Z
EPSS history
Timeline
  • 04 JUN 23:05Z
    Use after free in ServiceWorker in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to execute…
    cvelistv5