Chrome Extension Use-After-Free <151.0.7922.137 Exec Arbitrary Code
CVE-2026-19558 Published on August 11, 2026
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)
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-19558 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-19558
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Affected Versions
Google Chrome:- Version 151.0.7922.137 and below 151.0.7922.137 is affected.