CVE-2026-66321

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66321	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*

History

23 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Acceso a recurso usando tipo incompatible (’confusión de tipos’) en Microsoft Edge (basado en Chromium) permite a un atacante no autorizado ejecutar código a través de una red.

Information

Published : 2026-08-04 00:17

Updated : 2026-10-23 23:10

NVD link : CVE-2026-66321

Mitre link : CVE-2026-66321

CVE.ORG link : CVE-2026-66321

JSON object : View

Products Affected

microsoft

edge_chromium

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

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