Type Confusion Vulnerability in Microsoft Edge (Chromium-based) Software
CVE-2026-58283

8.1HIGH

Key Information:

Vendor

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

What is CVE-2026-58283?

A vulnerability in Microsoft Edge (Chromium-based) allows unauthorized attackers to exploit type confusion issues, enabling them to perform spoofing attacks over a network. This could lead to attackers impersonating other users or services, potentially resulting in data breaches and compromised user information.

Affected Version(s)

Microsoft Edge (Chromium-based) 1.0.0.0 < 150.0.4078.48

References

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

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.