CVE-2018-0803 : Security Advisory and Response

Microsoft Edge Elevation of Privilege Vulnerability

Understanding CVE-2018-0803

This CVE involves a security flaw in Microsoft Edge that allows unauthorized access to data from one domain and its injection into another domain.

What is CVE-2018-0803?

The "Microsoft Edge Elevation of Privilege Vulnerability" in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 permits unauthorized access to data from one domain and its injection into another domain. This security flaw arises from the way Microsoft Edge implements cross-domain policies.

The Impact of CVE-2018-0803

Allows attackers to access information from one domain and inject it into another
Can lead to unauthorized data access and potential security breaches

Technical Details of CVE-2018-0803

This section provides more technical insights into the vulnerability.

Vulnerability Description

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to access information from one domain and inject it into another domain, due to how Microsoft Edge enforces cross-domain policies.

Affected Systems and Versions

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016

Exploitation Mechanism

Unauthorized access to data from one domain and its injection into another

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Apply security patches provided by Microsoft promptly
Monitor for any unauthorized access or data injections

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities
Implement strong cross-domain policies and access controls

Patching and Updates

Stay informed about security updates from Microsoft
Ensure all systems are up to date with the latest patches