CVE-2022-41086 in Windows
Summary
by MITRE • 11/10/2022
Windows Group Policy Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-37992.
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Analysis
by VulDB Data Team • 07/28/2026
This vulnerability resides within the Windows Group Policy service and represents a critical elevation of privilege flaw that allows attackers to escalate their access rights from standard user level to administrative privileges. The vulnerability specifically affects the way Windows Group Policy handles certain configuration settings and policy application mechanisms, creating an opportunity for unauthorized users to manipulate system configurations and gain unauthorized administrative access. The flaw stems from improper validation of policy parameters during the Group Policy processing phase, which enables malicious actors to inject crafted policy settings that bypass normal access controls and privilege boundaries.
The technical implementation of this vulnerability involves a flaw in the Group Policy Object (GPO) processing engine where insufficient input sanitization allows for malicious policy attributes to be interpreted and executed with elevated privileges. When Windows processes Group Policy settings, it typically operates with system-level privileges to ensure proper configuration application across the domain. However, the vulnerability creates a condition where user-supplied policy parameters can trigger unexpected behavior in the policy processing pipeline, potentially allowing privilege escalation through crafted GPO attributes or malformed policy data structures. This issue falls under the CWE-20 category for "Improper Input Validation" and aligns with ATT&CK technique T1068 for "Exploitation for Privilege Escalation" and T1547.001 for "Registry Run Keys / Startup Folder" which may be leveraged in conjunction with this vulnerability.
The operational impact of this vulnerability extends beyond simple privilege escalation as it can enable attackers to establish persistent access, deploy malicious software, modify system configurations, and potentially compromise entire domain environments. Attackers can exploit this vulnerability to manipulate Group Policy settings that control system behavior, user access rights, and security configurations, effectively allowing them to subvert the intended security model of Windows domain environments. The vulnerability is particularly dangerous in enterprise environments where Group Policy is extensively used for system management and where domain administrators typically maintain elevated privileges across multiple systems. Successful exploitation could allow attackers to create backdoors, modify security policies, or establish persistence mechanisms that remain undetected by standard monitoring systems.
Mitigation strategies for this vulnerability should include immediate deployment of Microsoft security patches, which address the underlying Group Policy processing flaw through enhanced input validation and privilege boundary enforcement. Organizations should also implement network segmentation and access control measures to limit lateral movement capabilities, while monitoring Group Policy processing activities for anomalous behavior. Security teams should review and audit existing Group Policy configurations to identify potential attack vectors and ensure that only necessary policy settings are applied. Additional defensive measures include implementing principle of least privilege for Group Policy management accounts, regularly reviewing Group Policy Object permissions, and establishing monitoring for unauthorized Group Policy modifications. The vulnerability demonstrates the importance of securing enterprise management frameworks and highlights the need for comprehensive security controls around privileged access mechanisms. Organizations should also consider implementing additional layers of protection such as privileged access management solutions and enhanced monitoring of Group Policy processing activities to detect potential exploitation attempts.