CVE-2026-113183: Memory corruption in Google Chrome

CVE-2026-113183 is a memory corruption vulnerability in the FedCM feature of Google Chrome versions before 156.0.8078.47. Exploitation involves a remote attacker delivering a specially crafted HTML page that triggers the memory corruption, enabling arbitrary code execution inside the browser sandbox. The vulnerability is rated high severity with a CVSS 3.1 score of 8.8, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. Google has published an official advisory and released a stable update to fix this issue.

Successful exploitation could allow a remote attacker to execute arbitrary code within the sandboxed environment of the browser, potentially compromising confidentiality, integrity, and availability of the affected system. However, exploitation requires user interaction (visiting a crafted HTML page). No known exploits in the wild have been reported at this time.

An official fix is available in Google Chrome version 156.0.8078.47. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.