Overview
What is CVE-2026-57989?
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
Vulnerability intelligence
CVE-2026-57989 and is rated High severity with a CVSS score of 7.4. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.