Spoofing Vulnerability in Microsoft Edge by Microsoft
CVE-2026-45489

6.5MEDIUM

Key Information:

Vendor

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

What is CVE-2026-45489?

A spoofing vulnerability exists in Microsoft Edge (Chromium-based) that could allow an attacker to impersonate a trusted entity. This vulnerability may lead to the execution of malicious actions by deceiving users about the origin or authenticity of content displayed in the browser. Users are advised to apply the available security updates to mitigate potential risks.

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:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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