CVE-2026-57978: Medium severity Microsoft Edge vulnerability
Published Jul 24, 2026
·Updated
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Other sources
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
— Microsoft
Affected Software
2 affected componentsFixes available
Microsoft Edge<150.0.4078.99
Microsoft Edge (Chromium-based)<150.0.4078.99
150.0.4078.99
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150.0.4078.99
Event History
Jul 24, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software