CVE-2018-0821 Explained : Impact and Mitigation
Learn about CVE-2018-0821, a Windows AppContainer vulnerability allowing unauthorized privilege escalation. Find mitigation steps and necessary updates here.
Windows AppContainer Elevation Of Privilege Vulnerability
Understanding CVE-2018-0821
In Windows 10 Gold, 1511, 1607, 1703, and 1709, as well as in Windows Server 2016 and Windows Server, version 1709, a vulnerability exists that allows unauthorized privilege escalation.
What is CVE-2018-0821?
The vulnerability in Windows AppContainer allows for an unauthorized increase in privileges due to the mishandling of constrained impersonations.
The Impact of CVE-2018-0821
This vulnerability, known as the "Windows AppContainer Elevation Of Privilege Vulnerability," can be exploited to elevate privileges on affected systems.
Technical Details of CVE-2018-0821
Vulnerability Description
The vulnerability in Windows AppContainer arises from the mismanagement of constrained impersonations, enabling unauthorized privilege escalation.
Affected Systems and Versions
- AppContainer in Windows 10 Gold, 1511, 1607, 1703, and 1709
- Windows Server 2016 and Windows Server, version 1709
Exploitation Mechanism
The vulnerability can be exploited by attackers to gain elevated privileges on the affected Windows systems.
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates provided by Microsoft promptly
- Monitor for any unauthorized access or privilege escalation attempts
Long-Term Security Practices
- Implement the principle of least privilege to restrict unnecessary access
- Regularly review and update security configurations and policies
Patching and Updates
- Install the necessary security patches and updates released by Microsoft to address the vulnerability