CVE-2020-0776 Explained : Impact and Mitigation

An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles file operations. To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0858.

Understanding CVE-2020-0776

This CVE involves an elevation of privilege vulnerability in Windows.

What is CVE-2020-0776?

CVE-2020-0776 is an elevation of privilege vulnerability in the Windows AppX Deployment Server.

The Impact of CVE-2020-0776

This vulnerability could allow an attacker to elevate privileges on a compromised Windows system.

Technical Details of CVE-2020-0776

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability arises due to improper file operations handling in the Windows AppX Deployment Server.

Affected Systems and Versions

Windows 10 Version 1803, 1809, 1709, and 1607 for various system architectures
Windows Server versions 1803, 2019, and 2016
Various Windows 10 and Windows Server versions also affected

Exploitation Mechanism

To exploit the vulnerability, an attacker needs to gain execution on the target system.

Mitigation and Prevention

Protect your systems from CVE-2020-0776 with the following steps:

Immediate Steps to Take

Apply security updates and patches promptly
Monitor system activity for any signs of unauthorized access

Long-Term Security Practices

Implement the principle of least privilege for user accounts
Employ network segmentation to contain potential attacks

Patching and Updates

Regularly check for and install updates from Microsoft to address security vulnerabilities