CVE-2026-11199 in Chrome

Summary

by MITRE • 06/05/2026

Inappropriate implementation in WebRTC in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position 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: 06/04/2026
• Disclosure: 06/05/2026
• Moderation: accepted
• Entry: VDB-368827
• CPE: ready
• CWE: CWE-942 (confirmed)
• CVSS: 4.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low
• Sector: Insurance, Hostingprovider, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-11199
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11199
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-11199/