CVE-2026-121071

Summary

A missing authorization check in Chrome's FileSystem API allowed a remote attacker to bypass access controls and potentially execute arbitrary code outside the sandbox by tricking a user into visiting a malicious page.

Exploitability

Exploitation requires social engineering to诱导 the user to interact with a crafted HTML page; no pre-authentication or privileged access is needed.

Blast radius

Successful exploitation could lead to full system compromise via arbitrary code execution outside Chrome's sandbox, affecting confidentiality, integrity, and availability of the host.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Upgrade Google Chrome to version 157.0.8103.38 or later.

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.