Vulnerability in Google Chrome

[ Why it matters ]Priority signals

• Critical severity: CVSS 9.6

[ Description ]Official description

Use after free in FedCM in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund4 Oct 2026WID-SEC-2026-3737

  Google Chrome / Microsoft Edge: Multiple vulnerabilities Translated from German

  CVE-2026-103628CVE-2026-103621CVE-2026-103631+8 more CVEs

[ References ]References

• chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.htmlRelease NotesVendor Advisory
• issues.chromium.org/issues/557323166Permissions Required