CVE-2026-11656

high

Description

Use after free in ServiceWorker in Google Chrome prior to 149.0.7827.103 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension. (Chromium security severity: High)

References

https://issues.chromium.org/issues/513424000

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html

Details

Source: Mitre, NVD

Published: 2026-06-09

Updated: 2026-06-09

Risk Information

CVSS v2

Base Score: 7.6

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

Severity: High

CVSS v3

Base Score: 8.3

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