Sceawere
Vulnerability Detail
CVE-2026-86362UPDATED Verified Sceawere Triage Sources: NVD / CISA KEV
Dell System Update Privilege Escalation
Vulnerability Metadata
- Severity
- High
- Score / CVSS
- 8.2
- Creation Date
- 6h ago
- Vendor
- Dell
- Product
- System Update
- Attack Type
- CWE-284: Improper Access Control
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- Attack Complexity
- LOW
Narrative and Response
Description
Dell System Update, versions prior to 2.3.0.0, contains an Improper Access Control vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.
Executive Summary
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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Technical Details
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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Mitigations
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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
References
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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Additional Metadata
{
"score": "8.2",
"pubDate": "2026-10-06T19:18:16.717Z",
"pubdate": "2026-10-06T19:18:16.717Z",
"executiveSummary": "Dell System Update versions prior to 2.3.0.0 contain an Improper Access Control vulnerability that permits local privilege escalation.\nThe vulnerability resides within the software's access control mechanisms, which fail to sufficiently restrict operations or resource access when invoked by low-privileged entities.\nA local attacker with minimal user permissions can exploit this flaw to execute operations with higher privileges than authorized, effectively bypassing security boundaries within the host operating system.\nThis represents a significant security risk for affected Dell systems, as successful exploitation facilitates unauthorized system-level actions, potentially leading to full system compromise or persistence.\nThe primary requirement for exploitation is local access to the affected system, making this an internal threat vector that must be addressed through timely software updates to version 2.3.0.0 or later.",
"technicalDetails": "The vulnerability in Dell System Update stems from an Improper Access Control flaw within the application's implementation, specifically concerning how the software handles requests or interacts with system-level resources.\nIn versions prior to 2.3.0.0, the application fails to enforce appropriate security checks or validate the context of a process attempting to invoke its functionality, thereby allowing a lower-privileged user to interact with components that should be restricted to administrators or highly privileged service accounts.\nExploitation is predicated on an attacker having established a local session on the target host. Once local access is obtained, the attacker can interact directly with the vulnerable binary or service provided by Dell System Update.\nThe attack flow typically involves the malicious actor identifying the specific interface, pipe, or inter-process communication (IPC) mechanism utilized by the Dell System Update service to handle configuration changes or software updates.\nBy bypassing the implicit trust model that the application incorrectly assumes, an attacker can submit crafted requests or triggers that the service processes under its own elevated security context (often SYSTEM or root, depending on the OS deployment).\nBecause the service operates with elevated privileges to facilitate system-level firmware or driver updates, the Improper Access Control allows the attacker to leverage this high-privilege context to perform arbitrary actions.\nThe post-exploitation impact includes the potential for the execution of arbitrary code with the privileges of the underlying Dell System Update service. This enables the attacker to manipulate system configurations, install malicious drivers, exfiltrate sensitive data, or establish persistence, thereby fully compromising the integrity and confidentiality of the host environment.\nThe vulnerability is specifically associated with the logic governing user authorization within the Dell System Update suite. Since the software requires elevated rights to apply updates, any lack of granular access control directly exposes these high-privilege primitives to local users who should only possess limited operational capabilities.\nThere is no requirement for network connectivity to exploit this flaw, as the attack surface is entirely local; however, the lack of secure authorization controls renders the application's privilege management model ineffective against a local adversary."
}