CVE-2026-11174 in Chrome

Summary

by MITRE • 06/05/2026

Inappropriate implementation in Site Isolation in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

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• Responsible: Chrome
• Reservation: 06/04/2026
• Disclosure: 06/05/2026
• Moderation: accepted
• Entry: VDB-368794
• CPE: ready
• CWE: CWE-653 (confirmed)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Insurance, Finance, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-11174
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11174
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-11174/