CVE-2026-17870 in Chrome

Summary

by MITRE • 07/30/2026

Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Responsible: Chrome
• Reservation: 07/28/2026
• Disclosure: 07/30/2026
• Moderation: accepted
• Entry: VDB-384592
• CPE: ready
• CWE: CWE-942 (confirmed)
• CVSS: 3.1 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Energy, Finance, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-17870
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-17870
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-17870/