CVE-2026-121089 in Chrome

Summary

by MITRE • 11/03/2026

Use after free in WebGPU in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

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• Responsible: Chrome
• Reservation: 11/03/2026
• Disclosure: 11/03/2026
• Moderation: accepted
• Entry: VDB-430693
• CPE: 20261103
• CWE: CWE-416 (confirmed)
• CVSS: 9.6 (CISA-ADP)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Government, Insurance, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-121089
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-121089
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-121089/