CVE-2017-0056 Explained : Impact and Mitigation

A vulnerability known as 'Win32k Elevation of Privilege Vulnerability' affects various Microsoft Windows versions, allowing local users to gain privileges through a crafted application.

Understanding CVE-2017-0056

What is CVE-2017-0056?

The 'Win32k Elevation of Privilege Vulnerability' exists in the kernel-mode drivers of Microsoft Windows Vista SP2, Server 2008 SP2 and R2 SP1, 7 SP1, 8.1, Server 2012 Gold and R2, RT 8.1, 10 Gold, 1511, 1607, and Server 2016.

The Impact of CVE-2017-0056

This vulnerability enables local users to elevate their privileges by utilizing a specifically crafted application.

Technical Details of CVE-2017-0056

Vulnerability Description

The 'Win32k Elevation of Privilege Vulnerability' in Microsoft Windows allows local users to gain elevated privileges.

Affected Systems and Versions

Microsoft Windows Vista SP2
Windows Server 2008 SP2 and R2 SP1
Windows 7 SP1
Windows 8.1
Windows Server 2012 Gold and R2
Windows RT 8.1
Windows 10 Gold, 1511, and 1607
Windows Server 2016

Exploitation Mechanism

Local users can exploit this vulnerability by using a specifically crafted application.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Monitor Microsoft's security guidance for updates.

Long-Term Security Practices

Implement the principle of least privilege for user accounts.
Regularly update and patch all software and operating systems.
Conduct security training for users on identifying and avoiding suspicious applications.
Employ endpoint protection solutions to detect and prevent privilege escalation attempts.

Patching and Updates

Regularly check for and apply security updates and patches released by Microsoft to mitigate the 'Win32k Elevation of Privilege Vulnerability'.