Use After Free Vulnerability in WebShare Component of Google Chrome

CVE-2026-12437

What is CVE-2026-12437?

A use after free vulnerability exists in the WebShare component of Google Chrome that can be exploited by a remote attacker to escape the sandbox through a specially crafted HTML page. This flaw allows an attacker who has compromised the renderer process to execute arbitrary code, potentially leading to significant security risks. It is essential for users to update their Chrome browser to the latest version to mitigate this risk.

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