CVE-2026-4680

Use after free in FedCM in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Score

CVSS 3.1 8.8 High

Status

Analyzed - chrome-cve-admin@google.com

Published

2026-03-24

Last modified

2026-03-25

Weaknesses

CWE-416

Affected products

• Chrome (Google)

References

• https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_23.html
• https://issues.chromium.org/issues/491869946