CVE-2017-8523 : Security Advisory and Response

A vulnerability known as "Microsoft Edge Security Feature Bypass Vulnerability" has been identified in Microsoft Edge versions present in Microsoft Windows 10 Gold, 1511, 1607, and 1703, as well as Windows Server 2016. This CVE ID is distinct from CVE-2017-8530 and CVE-2017-8555.

Understanding CVE-2017-8523

This CVE involves a security feature bypass vulnerability in Microsoft Edge.

What is CVE-2017-8523?

The vulnerability allows an attacker to deceive a user into accessing a webpage containing harmful material due to Microsoft Edge's failure to implement the Same Origin Policy accurately.

The Impact of CVE-2017-8523

Attackers can trick users into loading pages with malicious content.
Exploitation can lead to security breaches and unauthorized access.

Technical Details of CVE-2017-8523

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 is affected by this vulnerability.

Vulnerability Description

Microsoft Edge fails to correctly apply Same Origin Policy for HTML elements in other browser windows.

Affected Systems and Versions

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016.

Exploitation Mechanism

Attackers deceive users into accessing harmful webpages due to the security feature bypass.

Mitigation and Prevention

Immediate Steps to Take:

Update Microsoft Edge and Windows to the latest versions.
Be cautious when accessing unknown or suspicious websites.

Long-Term Security Practices:

Regularly update software and security patches.
Educate users on safe browsing practices.

Patching and Updates:

Apply security updates provided by Microsoft to address the vulnerability.