CVE-2026-57980: Microsoft Edge (Chromium-based) Tampering Vulnerability
Authentication bypass using an alternate path or channel in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering over a network.
Other sources
Microsoft Edge (Chromium-based) Tampering Vulnerability
— Microsoft
Affected Software
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 150.0.4078.80
Event History
Frequently Asked Questions
What is the severity of CVE-2026-57980?
CVE-2026-57980 has a medium severity rating of 5.4.
How do I fix CVE-2026-57980?
To fix CVE-2026-57980, users should update Microsoft Edge to the latest version provided by Microsoft.
What is CVE-2026-57980?
CVE-2026-57980 is a tampering vulnerability in Microsoft Edge that allows unauthorized attackers to bypass authentication.
What types of attacks are possible with CVE-2026-57980?
CVE-2026-57980 could allow attackers to perform tampering over a network using an alternate path or channel.
Which software is affected by CVE-2026-57980?
CVE-2026-57980 affects the Chromium-based versions of Microsoft Edge.