CVE-2026-107239 in Management Pack for Microsoft System Center
Summary
by MITRE • 10/30/2026
A vulnerability allowing a member of the Veeam Virtualization Extensions Users group to perform remote code execution (RCE) on servers running the Veeam Management Pack for Microsoft System Center Collector service.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 10/30/2026
The identified security flaw resides within the Veeam Management Pack for Microsoft System Center, specifically affecting the Collector service component which is integral to monitoring and managing virtualized environments through integration with Microsoft System Center Operations Manager. This vulnerability grants a significant privilege escalation risk by allowing any user authenticated as a member of the Veeam Virtualization Extensions Users group to execute arbitrary code remotely on the affected server systems. The core technical deficiency stems from insufficient validation or access control mechanisms within the service's API endpoints, which fail to properly restrict command execution capabilities based on the principle of least privilege. Consequently, an attacker who has obtained valid credentials for this specific user role can interact with the management interface and inject malicious payloads that are processed by the Collector service with elevated system privileges, leading directly to remote code execution without requiring further authentication or exploitation steps beyond initial access.
From a technical perspective, this flaw represents a classic case of insecure direct object references combined with improper privilege assignment within enterprise monitoring software. The Veeam Virtualization Extensions Users group is typically designed for operational tasks such as viewing virtual machine status or initiating basic backups, yet the underlying implementation allows these users to trigger actions that involve system-level command execution. This misalignment between intended user permissions and actual service capabilities creates a critical attack vector. When an authenticated member of this group sends specially crafted requests to the Collector service, the application processes them without adequate sanitization or authorization checks, effectively bypassing security boundaries. The remote nature of this exploit means that network connectivity to the management server is sufficient for exploitation, provided the attacker possesses valid credentials within the specified user group.
The operational impact of this vulnerability is severe due to its potential for complete system compromise. Once an adversary achieves remote code execution on a Veeam Management Pack Collector service host, they gain full control over the underlying operating system. This level of access allows attackers to install malware, create new administrative accounts, exfiltrate sensitive data stored within the virtualization infrastructure, or pivot further into the network by using the compromised server as a foothold. Given that these servers often hold critical information about backup jobs, virtual machine configurations, and storage mappings, the breach can lead to significant disruption of business continuity efforts. Furthermore, because Veeam solutions are central to disaster recovery strategies, compromising them may also hinder an organization's ability to restore systems after other security incidents or ransomware attacks.
This vulnerability aligns with several well-known industry standards for classifying software weaknesses. It is primarily categorized under CWE-269 Improper Privilege Assignment and CWE-78 OS Command Injection, as the flaw involves granting users permissions that exceed their intended scope and allowing untrusted input to influence system commands. In terms of tactical behavior within an attack lifecycle, this exploitation technique corresponds to ATT&CK techniques such as T1053 Scheduled Task/Job which may be used for persistence after initial access, and T1068 Exploitation for Privilege Escalation if the execution context allows moving from user-level to system-level privileges. The remote aspect of the attack also relates to T1210 Exploitation of Remote Services, highlighting how managed services can become entry points when not properly secured.
To mitigate this risk, organizations must immediately apply vendor-provided patches or updates that address the access control logic within the Veeam Management Pack Collector service. Until patching is feasible, administrators should review membership in the Veeam Virtualization Extensions Users group and remove any accounts that do strictly require operational monitoring capabilities from this privileged role. Implementing network segmentation to restrict access to the management servers can also limit exposure by ensuring only authorized systems can communicate with the vulnerable services. Additionally, enabling detailed logging for authentication events and API calls on these servers will aid in detecting unauthorized attempts to exploit this flaw. Regular audits of user permissions against the principle of least privilege are essential to prevent similar misconfigurations from persisting within enterprise virtualization management infrastructures.