CVE-2026-11284 in Chrome

Summary

by MITRE • 06/05/2026

Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

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• Responsible: Chrome
• Reservation: 06/04/2026
• Disclosure: 06/05/2026
• Moderation: accepted
• Entry: VDB-368478
• CPE: ready
• CWE: CWE-1300 (confirmed)
• CVSS: 3.1 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Chemical, Hostingprovider, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-11284
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11284
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-11284/