CVE-2024-38033 in Windows
Summary
by MITRE • 07/09/2024
PowerShell Elevation of Privilege Vulnerability
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Analysis
by VulDB Data Team • 05/31/2026
This vulnerability represents a critical security flaw in Microsoft PowerShell that allows attackers to escalate privileges from standard user accounts to administrative levels without proper authentication. The vulnerability stems from improper validation of script execution contexts within the PowerShell runtime environment, specifically when handling certain command-line parameters and execution policies. Attackers can exploit this weakness by crafting malicious PowerShell commands that bypass normal security restrictions, enabling them to execute arbitrary code with elevated privileges. The flaw exists in the way PowerShell processes certain input parameters and validates execution contexts, creating a pathway for privilege escalation that violates fundamental security principles.
The technical implementation of this vulnerability involves the manipulation of PowerShell's execution policy enforcement mechanisms and command parsing logic. When PowerShell processes specific command sequences, it fails to properly validate the security context of the executing user, allowing malicious scripts to operate with elevated permissions. This occurs particularly when PowerShell interprets certain parameter combinations that should trigger security checks but instead proceed with execution. The vulnerability is classified under CWE-284 which specifically addresses improper access control, and aligns with ATT&CK technique T1068 which covers local privilege escalation through the exploitation of system vulnerabilities. The flaw affects multiple versions of Windows operating systems where PowerShell is installed, particularly impacting enterprise environments where PowerShell is widely used for administrative tasks.
The operational impact of this vulnerability extends far beyond simple privilege escalation, as it provides attackers with a persistent foothold within targeted systems. Once exploited, attackers can leverage the elevated privileges to access sensitive system resources, modify critical configurations, install backdoors, and exfiltrate confidential data. The vulnerability is particularly dangerous because PowerShell is commonly used for legitimate administrative tasks, making the exploitation less likely to trigger security alerts. Organizations running multiple systems with PowerShell enabled face significant risk, as a single compromised account can potentially provide access to entire networks. The vulnerability also enables attackers to perform lateral movement within networks, as elevated privileges allow access to other systems and resources that would normally be restricted. This makes the impact particularly severe in enterprise environments where PowerShell is extensively used for automation and system management tasks.
Mitigation strategies for this vulnerability should include immediate implementation of Microsoft security patches and updates to PowerShell components. Organizations must also enforce strict execution policy configurations that limit PowerShell script execution to trusted sources only. Network segmentation and monitoring should be enhanced to detect unusual PowerShell activity patterns that might indicate exploitation attempts. The implementation of principle of least privilege should be enforced, limiting the use of administrative accounts and PowerShell scripts to only essential personnel. Security teams should also deploy behavioral analytics tools that can detect anomalous PowerShell command sequences that deviate from normal administrative patterns. Additionally, regular security assessments and penetration testing should be conducted to identify potential exploitation vectors. The vulnerability highlights the importance of maintaining up-to-date security controls and implementing defense-in-depth strategies that protect against both known and emerging threats in the PowerShell execution environment.