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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Mar 24, 2026 · NIST NVD

   Detected

   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)

2. Jun 17, 2026 · NIST NVD

   Updated

   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

• cpe google/chromeversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-4680

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-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)

  nvd.nist.gov

References

• Release Notes · chromereleases.googleblog.com
• Permissions Required · issues.chromium.org