Learn about CVE-2021-26867 impacting Windows systems, allowing Remote Code Execution. Discover the affected versions, exploitation risks, and mitigation steps.
Windows Hyper-V Remote Code Execution Vulnerability was published on March 11, 2021. It has a CVSS base score of 9.9 (Critical).
Understanding CVE-2021-26867
This CVE affects various Microsoft Windows versions like Windows 10 Version 1909, Windows Server, and more, allowing Remote Code Execution.
What is CVE-2021-26867?
The CVE-2021-26867 is a Remote Code Execution vulnerability impacting Microsoft Windows systems. It poses a critical risk with a CVSS score of 9.9.
The Impact of CVE-2021-26867
The vulnerability allows malicious actors to execute arbitrary code on affected Windows systems, potentially leading to system compromise and data breaches.
Technical Details of CVE-2021-26867
The vulnerability is exploited through Windows Hyper-V, enabling attackers to execute unauthorized commands on the target systems.
Vulnerability Description
The vulnerability arises due to improper handling of objects in memory by the Windows Hyper-V feature, leading to potential code execution.
Affected Systems and Versions
Windows 10 Version 1909, Windows Server versions 1909, 2004, and 20H2 are affected by this vulnerability, all having a custom status less than the date of publication.
Exploitation Mechanism
Attackers can exploit this vulnerability remotely through specially crafted requests, gaining unauthorized access to the target systems.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risk posed by CVE-2021-26867 and implement long-term security practices.
Immediate Steps to Take
Microsoft recommends applying security updates provided to address this vulnerability and closely monitoring system activity for any signs of exploitation.
Long-Term Security Practices
Maintain up-to-date security patches, conduct regular security audits, and educate users on practicing safe computing habits to enhance overall system security.
Patching and Updates
Ensure that all affected systems receive the necessary security patches released by Microsoft to remediate CVE-2021-26867 effectively.