CVE-2026-19190 in Scanner
Summary
by MITRE • 08/07/2026
A weakness has been identified in StableBit Scanner 2.6.13.4088. This affects an unknown part of the file C:\Program Files (x86)\StableBit\Scanner\Service\Scanner.Service.exe of the component ScannerService. This manipulation causes permission issues. The attack is restricted to local execution. The exploit has been made available to the public and could be used for attacks.
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Analysis
by VulDB Data Team • 08/07/2026
The vulnerability in StableBit Scanner 2.6.13.4088 represents a critical local privilege escalation weakness that affects the Scanner.Service.exe component within the StableBit Scanner service architecture. This issue stems from improper permission handling within the service executable, creating an exploitable condition that allows local attackers to manipulate system access controls. The vulnerability specifically targets the service execution environment where the scanner service operates with elevated privileges, making it a prime target for malicious actors seeking to escalate their system access rights. The affected file path C:\Program Files (x86)\StableBit\Scanner\Service\Scanner.Service.exe indicates this is part of a legitimate system monitoring tool that should maintain strict security boundaries.
The technical flaw manifests as a lack of proper input validation and privilege separation within the service component, allowing local users to manipulate the scanner service through direct file system access or process injection techniques. This weakness creates an opportunity for attackers to modify service behavior or gain unauthorized access to protected system resources. The vulnerability operates at the kernel level where service permissions are managed, potentially enabling attackers to bypass standard user account controls and escalate privileges to SYSTEM level access. According to CWE classification, this represents a weakness in privilege management and could be categorized under CWE-276 for improper permissions or CWE-732 for incorrect permissions.
The operational impact of this vulnerability extends beyond simple permission manipulation, as local attackers can leverage this weakness to establish persistent access to compromised systems while maintaining stealth. The public availability of exploit code significantly amplifies the risk, transforming what might have been a theoretical vulnerability into an active threat vector that requires immediate attention from system administrators. Attackers could use this vulnerability to deploy additional malware, modify system configurations, or establish backdoors for continued unauthorized access. This represents a classic local privilege escalation attack pattern that aligns with ATT&CK technique T1068 for locally executed exploits and T1543 for persistence mechanisms.
Mitigation strategies should focus on immediate patching of the StableBit Scanner service to address the permission handling flaw, combined with comprehensive system hardening measures. Organizations must implement strict access controls and privilege separation policies to prevent unauthorized modifications to critical service components. Network segmentation and monitoring solutions should be deployed to detect suspicious activities related to service manipulation or privilege escalation attempts. Regular security assessments and vulnerability scanning should include checks for similar permission-related weaknesses in other system services. The use of least-privilege principles for service accounts and regular auditing of service configurations will help reduce the attack surface and prevent exploitation of this vulnerability across enterprise environments.