CVE-2026-11656

HighCVSS 8.3/10Last modified Jul 23, 2026

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)

Metrics

CVSS 3.1 8.3/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
GoogleChrome>= 149.0.7827.103, < 149.0.7827.103

References

Timeline

Published
Jun 9, 2026
Last modified
Jul 23, 2026
NVD status
Analyzed

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CVE-2026-11656: High severity, CVSS 8.3 | Vulnix