CVE-2026-76043 is a vulnerability in the V8 JavaScript engine used by Google Chrome versions prior to 151.0.7922.169. The flaw involves an incorrect calculation that can be exploited remotely via a crafted HTML page to execute arbitrary code inside the browser's sandbox environment. This vulnerability has a CVSS 3.1 base score of 8.8, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. No known exploits in the wild have been reported. No explicit patch links or vendor advisory details are provided in the input data.

Successful exploitation allows a remote attacker to execute arbitrary code inside the sandbox of the affected Chrome browser, potentially compromising the confidentiality, integrity, and availability of the affected system. This could lead to unauthorized code execution within the browser context.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should update Google Chrome to version 151.0.7922.169 or later once available. Until then, exercise caution when visiting untrusted websites and avoid interacting with suspicious HTML content.