CVE-2026-58565 in Command Update
Summary
by MITRE • 08/19/2026
Dell Command Update (DCU), versions prior to 5.7.1, contain a Missing Authorization vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.
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Analysis
by VulDB Data Team • 08/19/2026
The Dell Command Update utility serves as a critical component in enterprise IT infrastructure, designed to streamline the process of identifying and installing firmware and driver updates for Dell hardware. In versions prior to 5.7.1, a significant security flaw exists within this application that allows for unauthorized privilege escalation. This vulnerability is classified under CWE-269, which denotes Improper Privilege Management, specifically manifesting as a Missing Authorization error. The core issue lies in the software's failure to adequately verify whether an executing process possesses the necessary administrative rights before performing sensitive system modifications or accessing protected resources.
From a technical perspective, this flaw enables any user account with local access and low-level privileges to interact with components of Dell Command Update that should be restricted to administrators only. Because the application does not enforce strict access controls on certain operations, an attacker can manipulate these functions to execute code or change system configurations with elevated permissions. This effectively bypasses standard operating system security boundaries, allowing a non-privileged user to gain administrative control over the affected device without requiring valid credentials for such high-level access.
The operational impact of this vulnerability is severe within environments where Dell Command Update is deployed. An attacker who has gained physical or remote local access to an endpoint can exploit this flaw to elevate their privileges from a standard user account to that of an administrator. Once elevated, the attacker gains full control over the system, enabling them to install malicious software, exfiltrate sensitive data, modify security settings, and potentially pivot to other systems on the network. This undermines the integrity and confidentiality guarantees provided by the operating system's access control mechanisms.
In terms of threat modeling, this vulnerability aligns with MITRE ATT&CK technique T1068, which covers Exploitation for Privilege Escalation. Attackers typically leverage such flaws after initial compromise to establish a more persistent and powerful foothold within the target environment. The ease of exploitation due to local access requirements means that physical security lapses or compromised user workstations can lead directly to full system takeover if this vulnerability remains unpatched.
To mitigate this risk, organizations must ensure that all endpoints running Dell Command Update are updated to version 5.7.1 or later. This update addresses the authorization checks and enforces proper privilege verification for sensitive operations. Additionally, administrators should implement strict local access policies, including disabling unnecessary user accounts and enforcing strong authentication mechanisms where possible. Regular auditing of installed software versions and prompt application of vendor security patches are essential practices to maintain a secure posture against such elevation of privileges attacks.