CVE-2020-0956 Explained : Impact and Mitigation
CVE-2020-0956 is an elevation of privilege vulnerability in Windows kernel-mode driver. Learn about the impact, affected systems (Windows 10, Server), and mitigation steps.
An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.
Understanding CVE-2020-0956
This CVE ID is unique from CVE-2020-0957, CVE-2020-0958.
What is CVE-2020-0956?
CVE-2020-0956 is an elevation of privilege vulnerability in Windows due to improper handling of objects in memory.
The Impact of CVE-2020-0956
This vulnerability could allow an attacker to execute arbitrary code with elevated privileges on the affected system.
Technical Details of CVE-2020-0956
CVE ID: CVE-2020-0956
Vulnerability Description
An elevation of privilege vulnerability in Windows kernel-mode driver
Affected Systems and Versions
- Windows 10 (Versions 1803, 1809, 1709, 1607, 7, 8.1, RT 8.1)
- Windows Server (Versions 1803, 2019, 2016, 2008, 2008 R2, 2012, 2012 R2)
- Windows 10 Version 1909 and 1903
Exploitation Mechanism
The vulnerability arises from the kernel-mode driver's improper handling of memory objects.
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates from Microsoft
- Monitor for any unauthorized system access
Long-Term Security Practices
- Implement the principle of least privilege
- Regularly update security patches
Patching and Updates
Apply the latest security updates provided by Microsoft.