CVE-2020-1388 : Security Advisory and Response

An elevation of privilege vulnerability exists in the way that the psmsrv.dll handles objects in memory, also known as 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1392, CVE-2020-1394, CVE-2020-1395.

Understanding CVE-2020-1388

This CVE involves a specific elevation of privilege vulnerability in Windows systems.

What is CVE-2020-1388?

CVE-2020-1388 is an elevation of privilege vulnerability found in the psmsrv.dll component affecting various Windows versions.

The Impact of CVE-2020-1388

This vulnerability could allow an attacker to elevate privileges, potentially leading to unauthorized access to sensitive information and system control.

Technical Details of CVE-2020-1388

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability lies in the handling of objects in memory by psmsrv.dll, providing a pathway for privilege escalation.

Affected Systems and Versions

Below are the impacted Windows versions:

Windows 10 Version 2004 for 32-bit Systems, ARM64-based Systems, and x64-based Systems
Windows Server, version 2004 (Server Core installation)
Various versions of Windows 10 and Windows Server

Exploitation Mechanism

Attackers can potentially exploit this vulnerability to gain elevated privileges on affected systems.

Mitigation and Prevention

Protect your systems against CVE-2020-1388 using the following strategies.

Immediate Steps to Take

Apply security updates provided by Microsoft promptly
Monitor for any unusual system behavior or unauthorized access
Implement the principle of least privilege to minimize potential risks

Long-Term Security Practices

Regularly update and patch all systems and software
Conduct security assessments and audits to identify vulnerabilities
Educate users on best practices for cybersecurity

Patching and Updates

Ensure all Windows systems are up to date with the latest security patches to mitigate the risk of exploitation.