CVE-2018-0991 Explained : Impact and Mitigation
Learn about CVE-2018-0991, a critical Internet Explorer vulnerability allowing remote code execution. Find out affected systems, exploitation risks, and mitigation steps.
A vulnerability in Internet Explorer allows remote code execution by improperly accessing objects in memory. This CVE affects Internet Explorer versions 11 and 10.
Understanding CVE-2018-0991
What is CVE-2018-0991?
This vulnerability, known as "Internet Explorer Memory Corruption Vulnerability," enables remote code execution through memory object manipulation in Internet Explorer versions 11 and 10.
The Impact of CVE-2018-0991
The vulnerability poses a significant risk as it allows attackers to execute arbitrary code on the affected system, potentially leading to unauthorized access, data theft, and system compromise.
Technical Details of CVE-2018-0991
Vulnerability Description
The flaw in Internet Explorer permits remote attackers to exploit memory objects, resulting in unauthorized code execution.
Affected Systems and Versions
- Internet Explorer 11 on various Windows versions including Windows 10, 7, 8.1, and Server editions
- Internet Explorer 10 on Windows Server 2012
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by tricking a user into visiting a malicious website or opening a specially crafted file.
Mitigation and Prevention
Immediate Steps to Take
- Disable Internet Explorer or use alternative browsers
- Apply security updates and patches provided by Microsoft
Long-Term Security Practices
- Regularly update software and operating systems
- Implement network segmentation and access controls
Patching and Updates
Ensure timely installation of security updates and patches to mitigate the risk of exploitation.