Authentication Bypass Vulnerability in Microsoft Edge by Microsoft
CVE-2026-57980

5.4MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Edge (chromium-based)
Vendor
CVE Published:
17 July 2026

What is CVE-2026-57980?

An authentication bypass vulnerability in Microsoft Edge allows unauthorized attackers to exploit alternate paths or channels, enabling them to execute tampering actions over the network. This security flaw affects the browser's integrity, posing risks of unauthorized data access and manipulation. It is crucial for users to remain informed and implement given patches promptly to safeguard against potential attacks.

Affected Version(s)

Microsoft Edge (Chromium-based) 1.0.0.0 < 150.0.4078.80

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.