CVE-2017-11863 : Security Advisory and Response
Learn about CVE-2017-11863, a security feature bypass vulnerability in Microsoft Edge affecting Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016, and Server version 1709. Find out the impact, affected systems, and mitigation steps.
Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016, and Windows Server, version 1709 is vulnerable to a security feature bypass issue. An attacker can exploit this vulnerability to deceive users into accessing malicious webpages.
Understanding CVE-2017-11863
This CVE ID refers to a security feature bypass vulnerability in Microsoft Edge that affects various versions of Windows.
What is CVE-2017-11863?
The vulnerability in Microsoft Edge allows attackers to trick users into loading harmful content by exploiting how the Edge Content Security Policy (CSP) validates documents.
The Impact of CVE-2017-11863
The security flaw enables attackers to craft webpages with malicious material, potentially leading to unauthorized access or other security breaches.
Technical Details of CVE-2017-11863
Microsoft Edge's vulnerability in specific Windows versions poses a significant security risk.
Vulnerability Description
The issue arises from the way Edge CSP handles document validation, enabling attackers to bypass security features and deceive users.
Affected Systems and Versions
- Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709
- Windows Server 2016 and Windows Server, version 1709
Exploitation Mechanism
Attackers can exploit this vulnerability by creating webpages containing harmful content and tricking users into accessing them.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2017-11863.
Immediate Steps to Take
- Update Microsoft Edge and Windows to the latest versions
- Exercise caution while browsing and avoid clicking on suspicious links
Long-Term Security Practices
- Regularly update software and security patches
- Educate users on safe browsing habits and cybersecurity awareness
Patching and Updates
Ensure that all systems running Microsoft Edge and affected Windows versions are promptly patched with the latest security updates.