CVE-2026-17798 in Chrome

Summary

by MITRE • 07/30/2026

Inappropriate implementation in Cast in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

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• Responsible: Chrome
• Reservation: 07/28/2026
• Disclosure: 07/30/2026
• Moderation: accepted
• Entry: VDB-384477
• CPE: ready
• CWE: CWE-942 (confirmed)
• CVSS: 3.1 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Hostingprovider, Industry, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-17798
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-17798
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-17798/