CVE-2026-66326
Received Received - Intake

Remote Code Execution in Microsoft Edge Chromium

Publication date: 2026-08-04

Last updated on: 2026-08-04

Assigner: Microsoft Corporation

Description
Missing authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

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Meta Information

Published
2026-08-04
Last Modified
2026-08-04
Generated
2026-08-04
AI Q&A
2026-08-04
EPSS Evaluated
N/A
NVD
CVE-2026-66326
EUVD
EUVD-2026-52535

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft edge *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This vulnerability in Microsoft Edge (Chromium-based) involves missing authorization checks. An attacker without proper credentials can remotely execute code on a vulnerable system over a network.

Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially stealing data, installing malware, or taking control of your device without needing to authenticate.

Mitigation Strategies

Update Microsoft Edge to the latest version immediately to patch the missing authorization flaw. Monitor network traffic for unusual activity and restrict access to Edge processes if possible.

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