CVE-2020-1047 : Vulnerability Insights and Analysis

Windows Hyper-V Elevation of Privilege Vulnerability dated October 13, 2020.

Understanding CVE-2020-1047

What is CVE-2020-1047?

An elevation of privilege vulnerability in Windows Hyper-V allows attackers to gain elevated privileges by exploiting memory object handling flaws, though it does not permit arbitrary code execution on its own.

The Impact of CVE-2020-1047

This vulnerability enables attackers to gain elevated privileges on the target OS using Windows Hyper-V.

Technical Details of CVE-2020-1047

Vulnerability Description

Vulnerability Type: Elevation of Privilege
Attack Vector: Local
Security Risk: High
CVSS Base Score: 7.8
CVSS Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Affected Systems and Versions

Windows 10 Version 1803, 1809, 1909, 2004
Windows Server 2019, version 1903, 1909, 2004

Exploitation Mechanism

Successful exploitation allows attackers to execute further attacks with elevated privileges, potentially leading to remote code execution.

Mitigation and Prevention

Immediate Steps to Take

Apply the security update provided by Microsoft to address the vulnerability.
Monitor Microsoft's security guidance for additional measures.

Long-Term Security Practices

Regularly update systems with the latest security patches.
Implement least privilege access to reduce the impact of such vulnerabilities.
Conduct regular security audits and assessments to identify and remediate potential weaknesses.

Patching and Updates

Update Windows systems to the latest secure versions to fix the vulnerability.