CVE-2025-50176 in Windows
Summary
by MITRE • 08/12/2025
Access of resource using incompatible type ('type confusion') in Graphics Kernel allows an authorized attacker to execute code locally.
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Analysis
by VulDB Data Team • 11/22/2025
The vulnerability identified as CVE-2025-50176 represents a critical type confusion flaw within the Graphics Kernel component of a major operating system or graphics framework. This issue arises from improper handling of resource access where the system fails to properly validate data types during graphics processing operations. The vulnerability specifically affects the graphics kernel subsystem which manages low-level graphics operations and memory allocation for graphical user interfaces and applications. Type confusion vulnerabilities occur when a program incorrectly handles data types, leading to situations where memory previously allocated for one data type is subsequently interpreted as another type. This fundamental flaw creates opportunities for attackers to manipulate memory layout and execute arbitrary code with elevated privileges.
The technical implementation of this vulnerability stems from the graphics kernel's failure to perform proper type validation when processing graphics resources and command buffers. When legitimate users or applications submit graphics commands to the kernel, the system does not adequately verify that the expected data types match the actual data being processed. This mismatch allows an authenticated attacker with local access to craft malicious graphics operations that cause the kernel to misinterpret memory contents. The vulnerability is particularly dangerous because it operates within the kernel space where privilege escalation is already achieved, eliminating the need for additional exploitation techniques. The graphics kernel typically handles sensitive operations involving memory management, buffer allocation, and hardware interface communication, making it an attractive target for attackers seeking persistent system compromise.
Operationally, this vulnerability presents significant risks to system security and stability. An attacker with local user access can leverage this type confusion to execute code with kernel-level privileges, potentially leading to complete system compromise. The attack vector requires only local authentication since the vulnerability exists within the graphics subsystem that is accessible to regular users. Once exploited, the attacker gains capabilities to modify system memory, escalate privileges, install malicious software, and potentially access sensitive data. The impact extends beyond individual system compromise as compromised graphics kernels can affect multiple applications and services that rely on graphics processing. This vulnerability particularly impacts enterprise environments where graphics-intensive applications are common and where local privilege escalation can lead to widespread security breaches.
Mitigation strategies for CVE-2025-50176 should focus on immediate patch deployment and operational security enhancements. System administrators must prioritize applying vendor security patches as soon as they become available to address the underlying type confusion vulnerability. In the interim, operational controls should include restricting local user access to graphics-intensive applications and implementing monitoring for unusual graphics kernel behavior. The vulnerability aligns with CWE-466 which specifically addresses improper handling of data types and memory management in kernel space operations. From an attack framework perspective, this vulnerability maps to ATT&CK technique T1068 which covers local privilege escalation through kernel exploits. Organizations should also implement runtime application protection measures and memory integrity checks to detect potential exploitation attempts. Regular security assessments of graphics subsystems and kernel modules should be conducted to identify similar type confusion vulnerabilities that may exist in other system components. Additionally, system hardening measures such as kernel address space layout randomization and data execution prevention should be enabled to reduce exploit reliability.