Spoofing Vulnerability in Microsoft Edge (Chromium-based)
CVE-2026-66324

6.5MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Edge (chromium-based)
Vendor
CVE Published:
28 August 2026

What is CVE-2026-66324?

A spoofing vulnerability in Microsoft Edge (Chromium-based) is caused by external control of file names or paths, which may allow an unauthorized attacker to deceive users over a network. This vulnerability could facilitate malicious activities, undermining the integrity of user interactions and data security within the browser environment.

Affected Version(s)

Microsoft Edge (Chromium-based) 1.0.0.0 < 152.0.4191.53

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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