CVE-2017-8720 : What You Need to Know
Learn about CVE-2017-8720 affecting Windows Server, Windows 7, 8.1, 10, and more. Find mitigation steps and long-term security practices to prevent unauthorized privilege escalation.
A vulnerability has been identified in the Microsoft Windows graphics component on various operating systems, allowing unauthorized users to gain elevated privileges.
Understanding CVE-2017-8720
This CVE, also known as "Win32k Elevation of Privilege Vulnerability," affects multiple Windows versions.
What is CVE-2017-8720?
The vulnerability in the Windows graphics component enables unauthorized users to elevate their privileges by exploiting memory object handling issues in the Win32k component.
The Impact of CVE-2017-8720
- Unauthorized users can gain elevated privileges on affected systems.
- The vulnerability is known as "Win32k Elevation of Privilege Vulnerability."
Technical Details of CVE-2017-8720
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability allows unauthorized users to escalate their privileges due to improper memory object handling in the Win32k component.
Affected Systems and Versions
The following systems and versions are impacted:
- 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, 1607, and 1703
- Windows Server 2016
Exploitation Mechanism
The vulnerability occurs when the Win32k component fails to handle memory objects correctly, leading to privilege escalation.
Mitigation and Prevention
Protect your systems from CVE-2017-8720 with these mitigation strategies.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Monitor for any unauthorized access or privilege escalation attempts.
- Implement the principle of least privilege to restrict user access.
Long-Term Security Practices
- Regularly update and patch your systems to address security vulnerabilities.
- Conduct security training for users to recognize and report suspicious activities.
Patching and Updates
- Stay informed about security updates from Microsoft for Windows systems.
- Ensure timely installation of patches to mitigate known vulnerabilities.