CVE-2024-38106 in Windows
Summary
by MITRE • 08/13/2024
Windows Kernel Elevation of Privilege Vulnerability
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Analysis
by VulDB Data Team • 10/21/2025
This vulnerability represents a critical security flaw in the windows kernel that allows attackers to escalate their privileges from standard user level to system level execution. The issue stems from improper validation of kernel-mode operations and insufficient access control mechanisms within the operating system's core components. Attackers can exploit this weakness by crafting malicious payloads that manipulate kernel data structures or bypass security checks during privilege transitions. The vulnerability affects multiple windows versions including windows 10, windows server 2016, and windows server 2019, making it a widespread concern across enterprise environments. According to the common weakness enumeration framework, this corresponds to cwe-264 which describes permissions, privileges, and access controls that are improperly managed within kernel space operations. The flaw enables adversaries to gain unauthorized administrative access without requiring legitimate credentials or authentication.
The technical implementation of this vulnerability involves manipulating kernel objects or system calls that should only be accessible to privileged processes. When a user-level application attempts to perform certain operations that require elevated privileges, the kernel's privilege checking mechanisms fail to properly validate the request. This allows malicious code to execute kernel-level functions that should remain restricted to trusted system components. The exploitation typically involves leveraging existing kernel APIs or undocumented interfaces that lack proper access controls. Attackers can use various techniques including heap spraying, race conditions, or memory corruption methods to reach the vulnerable kernel paths. The vulnerability is particularly dangerous because it operates at the kernel level where all system protections are effectively bypassed.
The operational impact of this privilege escalation vulnerability extends far beyond simple unauthorized access. Once an attacker achieves system-level execution, they can manipulate any file on the system, modify registry settings, install malicious software, and establish persistence mechanisms that survive reboots. The compromised system becomes a potential launchpad for lateral movement throughout the network, allowing attackers to access sensitive data, disrupt operations, or use the system as a staging area for further attacks. Organizations may experience complete system compromise, data breaches, and regulatory violations depending on the nature of information stored on affected systems. This vulnerability aligns with attack techniques documented in the mitre att&ck framework under privilege escalation tactics, specifically targeting kernel exploits and credential access methods.
Mitigation strategies should focus on immediate patching of affected windows versions through microsoft security updates. Organizations must implement comprehensive monitoring for suspicious kernel-level activities and privilege escalation attempts. Network segmentation and least privilege principles can help limit the damage if exploitation occurs. System administrators should regularly review user accounts, disable unnecessary services, and maintain up-to-date antivirus signatures. The windows defender application control feature can provide additional protection by restricting unsigned code execution in kernel space. Organizations should also consider implementing advanced threat detection solutions that monitor for anomalous system behavior patterns consistent with privilege escalation attempts. Regular security assessments and vulnerability scanning should be conducted to identify systems running outdated windows versions that may be vulnerable to this class of attack.