CVE-2020-16892 : Vulnerability Insights and Analysis

Windows Image Elevation of Privilege Vulnerability was published by Microsoft on October 13, 2020. The vulnerability affects various Windows versions.

Understanding CVE-2020-16892

What is CVE-2020-16892?

An elevation of privilege vulnerability in the Windows kernel image allows attackers to execute code with elevated permissions by exploiting how the kernel handles objects in memory.

The Impact of CVE-2020-16892

This vulnerability poses a high risk, with a CVSS base score of 7.8, enabling attackers to escalate privileges on affected systems.

Technical Details of CVE-2020-16892

Vulnerability Description

The vulnerability lies in the Windows kernel image's handling of objects in memory.
Attackers can exploit this flaw to execute code with elevated privileges.

Affected Systems and Versions

Windows 10 Version 1803, 1809, 1909, 1507, 1607
Windows Server 2019, 2016, 2012, 2012 R2
Windows 8.1

Exploitation Mechanism

Attackers need local authentication to run a specially crafted application to exploit the vulnerability.

Mitigation and Prevention

Immediate Steps to Take

Apply the security update provided by Microsoft to address the vulnerability.
Monitor for any unusual activities on the affected systems.

Long-Term Security Practices

Regularly update systems with the latest patches and security updates.
Implement least privilege access controls to limit potential damage from privilege escalation.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Educate users on safe computing practices to prevent unauthorized access.
Consider implementing endpoint protection solutions to detect and prevent malicious activities.

Patching and Updates

Microsoft has released a security update to fix the vulnerability. Ensure all affected systems are promptly patched to prevent exploitation.