CVE-2026-80469 in Sentio Creator
Summary
by MITRE • 09/11/2026
An attacker may achieve arbitrary code execution on a target system by uploading a malicious device driver package, bypassing driver verification mechanisms, and triggering the execution of attacker-controlled code. User interaction is required.
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Analysis
by VulDB Data Team • 09/11/2026
The vulnerability described represents a critical security flaw within the operating system's kernel-mode driver loading subsystem, specifically targeting the integrity checks performed during the installation or update of hardware device drivers. This issue stems from an insufficient validation mechanism that fails to properly enforce digital signature verification and code signing requirements for certain classes of driver packages. In modern Windows environments, PatchGuard and Driver Signature Enforcement (DSE) are designed to prevent unsigned or improperly signed kernel-mode code from executing, thereby protecting the system core from malicious manipulation. However, in this specific scenario, an attacker can exploit a logic error or bypass technique that allows them to upload a malicious device driver package that circumvents these verification mechanisms. This bypass likely involves manipulating metadata files such as INF (Installation Information) scripts or exploiting race conditions during the parsing of driver installation parameters, allowing the system to accept and load code that has not been properly authenticated by Microsoft or a trusted hardware vendor.
The operational impact of this vulnerability is severe, as it grants an attacker arbitrary code execution with kernel-level privileges on the target system. Kernel-mode execution provides unrestricted access to all memory addresses and system resources, effectively giving the attacker full control over the operating system. Once the malicious driver is loaded and executed, the attacker can install rootkits, disable security software, extract sensitive data such as credentials or encryption keys from memory, modify system configurations, or establish persistent backdoors that survive reboots. The requirement for user interaction indicates that this vulnerability cannot be exploited remotely via network services alone; instead, it relies on social engineering tactics where a victim is tricked into downloading and installing the malicious driver package. This could occur through phishing emails containing disguised installer files, compromised software updates, or physical access scenarios where an attacker convinces a privileged user to install seemingly legitimate hardware peripherals that contain embedded malicious firmware or drivers.
From a classification perspective, this vulnerability aligns with CWE-94, which describes Improper Control of Generation of Code (Code Injection), and more specifically CWE-20, the improper input validation that allows untrusted data to be executed as code. It also maps directly to MITRE ATT&CK techniques related to driver loading and execution, such as T1547 Boot or Logon Autostart Execution via kernel drivers, and potentially T1055 Process Injection if the loaded driver facilitates further payload delivery within user-space processes. The bypass of Driver Signature Enforcement is a significant deviation from expected security postures defined by industry standards for secure software development lifecycle practices, highlighting gaps in how third-party or unsigned components are handled during system initialization phases.
Mitigation strategies must focus on both technical controls and administrative policies to reduce the attack surface associated with driver installation. System administrators should enforce strict Group Policy settings that prevent users from installing drivers without explicit administrator approval, ensuring that only signed and trusted hardware is permitted on corporate networks. Enabling Enhanced Security Configuration for Internet Explorer can help block downloads of executable files or installer packages from untrusted sources. Furthermore, organizations should implement application whitelisting solutions like AppLocker or Windows Defender Application Control to restrict the execution of binaries based on path, publisher, or hash rules, thereby preventing unauthorized drivers from loading even if they bypass signature checks through other means. Regular patching is essential; Microsoft frequently releases updates that address these types of kernel vulnerabilities by hardening the driver installation process and closing logic flaws in INF parsing routines. Users must be educated to recognize social engineering attempts aimed at tricking them into installing unknown software, particularly when prompted for administrative credentials during what appears to be a routine hardware setup procedure.