CVE-2020-0663 : Security Advisory and Response

Microsoft Edge is affected by an elevation of privilege vulnerability due to inadequate enforcement of cross-domain policies, potentially enabling attackers to access information across different domains.

Understanding CVE-2020-0663

An elevation of privilege vulnerability in Microsoft Edge could permit unauthorized access and information injection between domains.

What is CVE-2020-0663?

This vulnerability in Microsoft Edge allows attackers to bypass cross-domain protections, potentially leading to unauthorized data access and injection in web-based attacks.

The Impact of CVE-2020-0663

The vulnerability, dubbed 'Microsoft Edge Elevation of Privilege,' could be abused by attackers to compromise the security and integrity of affected systems, enabling unauthorized access to sensitive information.

Technical Details of CVE-2020-0663

A brief overview of the technical aspects of CVE-2020-0663.

Vulnerability Description

An elevation of privilege flaw in Microsoft Edge
Exploited through inadequate cross-domain policy enforcement

Affected Systems and Versions

Microsoft Edge on various Windows versions including 1803, 1809, 1903, 1909
All system types (32-bit, x64-based, ARM64-based)

Exploitation Mechanism

Attacker hosts a malicious website to exploit the vulnerability

Mitigation and Prevention

Key steps to address and prevent CVE-2020-0663.

Immediate Steps to Take

Apply security patches and updates from Microsoft
Use alternative browsers until the issue is resolved
Exercise caution while browsing unfamiliar websites

Long-Term Security Practices

Regularly update and maintain browser security settings
Implement network and web content filtering to restrict access to potentially harmful websites

Patching and Updates

Stay vigilant for security advisories from Microsoft
Ensure timely installation of security updates and patches