CVE-2026-50605 in NitroSense
Summary
by MITRE • 09/17/2026
A vulnerability has been identified in the Acer Agent Service component included with NitroSense and PredatorSense. Insufficient access controls within a privileged service may allow an authenticated local user to perform unauthorized registry operations. In certain situations, this could lead to privilege escalation or compromise of the affected system.
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Analysis
by VulDB Data Team • 09/17/2026
The vulnerability identified in the Acer Agent Service, which is integral to both NitroSense and PredatorSense software suites, represents a significant security flaw rooted in improper access control mechanisms for privileged services. These applications are designed to manage hardware performance settings such as fan speeds, thermal thresholds, and overclocking parameters on Acer laptops and desktops. The core issue lies within the service's configuration or implementation, where it fails to enforce strict permissions on specific registry keys that govern system behavior. This misconfiguration allows an authenticated local user, who possesses standard user privileges rather than administrative rights, to interact with these privileged components in ways they should not be permitted. By exploiting this lack of access control, a malicious actor can modify critical Windows Registry entries that dictate how the operating system handles hardware interactions and service execution contexts.
From a technical perspective, this flaw aligns closely with CWE-269, which classifies Improper Privilege Management, specifically regarding insufficient checks for elevated privileges before performing sensitive operations. The vulnerability enables an attacker to manipulate registry values that control the behavior of the Acer Agent Service itself or related system components. Since these services often run with high-level permissions such as SYSTEM or LocalService, any modification made by a lower-privileged user through this vector effectively inherits those higher privileges during subsequent service restarts or configuration loads. This creates a pathway for privilege escalation, allowing an attacker to transition from a standard user account to one with administrative control over the operating system without needing valid administrator credentials.
The operational impact of this vulnerability is severe, as it directly compromises the integrity and confidentiality of the affected device. Once an attacker achieves elevated privileges through registry manipulation, they can install persistent malware, create new admin accounts, disable security software such as antivirus or endpoint detection systems, and access sensitive data stored on the machine. This scenario maps to several techniques within the MITRE ATT&CK framework, particularly T1059 Command and Scripting Interpreter for executing malicious code after gaining control, and potentially T1078 Valid Accounts if the attacker uses the escalated privileges to maintain long-term access. The ability to modify system configurations also relates to T1263 Event Triggered Execution or T1484 Domain Policy Modification depending on how the registry changes are leveraged to alter group policies or startup behaviors, thereby facilitating lateral movement in enterprise environments where these devices might be deployed.
Mitigation strategies for this vulnerability primarily involve ensuring that all affected Acer systems have the latest software updates installed from Acer’s official support channels. These updates typically include patches that correct the access control lists on the vulnerable registry keys and harden the service configuration to prevent unauthorized modifications by non-administrative users. In environments where immediate patching is not feasible, administrators should consider restricting local user privileges or implementing application whitelisting policies to prevent untrusted processes from interacting with the NitroSense or PredatorSense services. Additionally, monitoring for unusual registry activity in keys associated with these services can help detect exploitation attempts before they result in full system compromise. Regular audits of service permissions and adherence to least-privilege principles are essential defensive measures against this class of vulnerability.