CVE-2026-4680

Details

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)

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

146.0.7680.165

References

WEB

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_23.html

WEB

https://issues.chromium.org/issues/491869946

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-4680