CVE-2026-94181 in Arc

Summary

by MITRE • 09/23/2026

An address bar spoofing issue in affected versions of Arc could allow an attacker to spoof the browser address bar via a <select> element that triggers requestFullscreen without displaying the fullscreen notification.

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

• Responsible: BCNY
• Reservation: 09/21/2026
• Disclosure: 09/23/2026
• Moderation: accepted
• Entry: VDB-409129
• CPE: ready
• CWE: CWE-451 (confirmed)
• CVSS: 7.4 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-94181
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-94181
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-94181/