CVE-2026-19558: Use After Free
Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: High)
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 151.0.7922.137
Event History
Frequently Asked Questions
What is the severity of CVE-2026-19558?
CVE-2026-19558 has a high severity rating due to the potential for arbitrary code execution.
How do I fix CVE-2026-19558?
To fix CVE-2026-19558, update Google Chrome to version 151.0.7922.137 or later.
What type of vulnerability is CVE-2026-19558?
CVE-2026-19558 is categorized as a use after free vulnerability.
What can an attacker achieve with CVE-2026-19558?
An attacker can execute arbitrary code inside a sandbox if a user installs a malicious Chrome extension.
In which software is CVE-2026-19558 found?
CVE-2026-19558 is found in Google Chrome prior to version 151.0.7922.137.