CVE-2024-38153 in Windows
Summary
by MITRE • 08/13/2024
Windows Kernel Elevation of Privilege Vulnerability
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 06/15/2026
This vulnerability represents a critical flaw in the windows kernel that allows attackers to escalate their privileges from standard user level to system level execution. The vulnerability stems from improper validation of privilege checks within kernel mode components, specifically affecting the ntoskrnl.exe module and related kernel objects. Attackers can exploit this weakness by crafting malicious code that manipulates kernel data structures or leverages race conditions in privilege validation mechanisms. The flaw typically manifests when the kernel fails to properly verify the security context of incoming requests or when it improperly handles privilege transitions between different execution levels. This type of vulnerability directly maps to cwe-264 which describes improper privilege management in software systems. The attack surface is particularly broad as it affects core operating system functionality that all applications and services depend upon for proper execution and security enforcement.
The technical implementation of this privilege escalation occurs through multiple potential vectors including improper object handle validation, flawed access control list processing, and inadequate kernel security descriptor checks. Attackers often exploit this vulnerability by first gaining low-privilege access through a standard application or service, then using the kernel flaw to elevate their privileges to SYSTEM level. The vulnerability may also be triggered through kernel-mode drivers that improperly validate input parameters or through improper handling of kernel objects such as registry keys, file handles, or memory segments. Memory corruption issues including heap overflows or use-after-free conditions can also contribute to the exploitation process. These attack patterns align with techniques described in the attack framework under tactic privilege escalation and technique t1068 which covers exploit for privilege escalation. The vulnerability's impact extends beyond simple privilege elevation as it can enable attackers to bypass security controls, access restricted resources, and maintain persistent access to compromised systems.
The operational impact of this vulnerability is severe and far-reaching across enterprise environments. Successful exploitation can result in complete system compromise with attackers gaining unrestricted access to all system resources, user data, and network connectivity. Organizations may experience data breaches, unauthorized access to sensitive information, and potential lateral movement throughout their network infrastructure. The vulnerability can be particularly dangerous in server environments where system-level access can enable attackers to manipulate critical services, databases, and enterprise applications. Network security monitoring systems may not detect such attacks effectively since they occur within the kernel space where normal security controls are bypassed. The vulnerability's exploitation often requires minimal user interaction and can be automated through various attack frameworks, making it particularly dangerous for widespread deployment. Organizations using affected windows versions may face regulatory compliance issues and potential legal consequences if data breaches occur as a result of this vulnerability.
Mitigation strategies for this vulnerability should include immediate installation of microsoft security updates and patches as provided through windows update or microsoft's security bulletin releases. Organizations should implement comprehensive patch management processes to ensure all windows systems receive security updates promptly. Additional mitigations include enabling kernel mode code integrity checks, implementing secure boot configurations, and restricting unnecessary kernel-mode driver installations. Network segmentation and access control measures can help limit the potential impact if exploitation occurs. Security monitoring should include detection of anomalous kernel behavior and privilege escalation attempts. Regular security assessments and vulnerability scanning should be conducted to identify systems potentially affected by this vulnerability. System hardening practices such as disabling unnecessary services, implementing least privilege principles, and maintaining up-to-date antivirus signatures should be employed. The vulnerability's nature makes it particularly important to maintain robust incident response procedures that can quickly identify and contain exploitation attempts. Organizations should also consider implementing advanced threat detection solutions that can monitor for kernel-level anomalies and potential exploitation attempts. Regular security training for administrators and users can help prevent initial compromise through social engineering or other attack vectors that may precede kernel exploitation.