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CVE-2026-7963 - Vulnerability Analysis

HighCVSS: 8.3

Last Updated: May 6, 2026

Google Chrome - Sandbox Escape

Published: May 6, 2026Updated: May 6, 2026Remote Exploitable

Overview

Google Chrome < 148.0.7778.96 contains a sandbox escape vulnerability caused by inappropriate implementation in ServiceWorker, letting remote attackers with compromised renderer process escape sandbox, exploit requires compromised renderer process.

Severity & Score

Severity: High
CVSS Score: 8.3

Impact

Attackers with compromised renderer process can escape sandbox, potentially gaining higher privileges on the system.

Mitigation

Update to version 148.0.7778.96 or later.

Details

CVE ID
CVE-2026-7963
Severity
High
CVSS Score
8.3
Type
sandbox_escape
Status
unconfirmed

CWE

  • CWE-693

CVSS Metrics

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