CVE-2026-47507 in GeForce
Summary
by MITRE • 09/30/2026
NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer, where a user could cause an out-of-bounds array access. A successful exploit of this vulnerability might lead to code execution, denial of service, escalation of privileges, information disclosure, and data tampering.
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Analysis
by VulDB Data Team • 09/30/2026
The identified security flaw resides within the kernel-mode components of the NVIDIA GPU Display Driver for both Windows and Linux operating systems. This specific vulnerability is characterized as an out-of-bounds array access, which represents a critical memory safety error where the software attempts to read from or write to a memory location that falls outside the allocated boundaries of a data structure. In the context of kernel-mode execution, such errors are particularly severe because the driver operates with high-level system privileges and direct hardware access. The root cause typically involves insufficient validation of array indices provided by user-space applications before they are processed by the kernel-side logic. When an application passes an index that exceeds the valid range defined for a specific buffer or table within the display driver, the memory management subsystem fails to trap this illegal operation, allowing the execution flow to proceed with corrupted pointers or data references.
The operational impact of exploiting this vulnerability is multifaceted and potentially catastrophic depending on the attacker's capabilities and context. A successful exploitation could lead to arbitrary code execution, as an attacker might leverage the out-of-bounds write to overwrite critical kernel structures such as function pointers or return addresses on the stack. This control flow hijacking allows for the injection and execution of malicious payloads with system-level privileges. Furthermore, even if full code execution is not achieved, the vulnerability can be used to trigger a denial of service by causing a kernel panic or system crash through invalid memory access that corrupts essential data structures. The ability to perform out-of-bounds reads also facilitates information disclosure, enabling an attacker to leak sensitive kernel memory contents which may contain cryptographic keys, credentials, or other confidential system state information. Additionally, the capability to write outside array bounds allows for direct data tampering with critical system files or driver states, potentially leading to escalation of privileges where a low-privileged user gains administrative control over the host machine.
From a classification perspective, this vulnerability aligns closely with CWE-125, which denotes Out-of-bounds Read, and CWE-787, which covers Out-of-bounds Write, depending on whether the exploit primarily involves reading sensitive data or modifying system state. In terms of offensive security frameworks, such as MITRE ATT&CK, this flaw supports techniques associated with privilege escalation via kernel exploitation (T1068) and potentially defense evasion through memory manipulation to hide malicious activity. The presence of a user-mode trigger point means that local attackers can initiate the exploit without requiring prior administrative access, significantly lowering the barrier for entry in multi-user environments or shared computing systems.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. NVIDIA has released updated versions of the GPU Display Driver to address this specific memory safety issue by implementing stricter bounds checking mechanisms within the kernel-mode code paths that handle array indexing operations. Organizations should prioritize applying these driver updates across all affected endpoints as soon as possible. In environments where immediate patching is not feasible, network segmentation and strict application whitelisting can help mitigate the risk of local exploitation by limiting which user accounts or applications are permitted to interact with GPU hardware interfaces. Additionally, enabling kernel memory protection features such as Kernel Patch Protection on Windows or similar integrity mechanisms on Linux distributions adds a layer of defense-in-depth that may prevent certain types of out-of-bounds writes from successfully altering control flow, thereby reducing the likelihood of successful code execution despite the presence of the underlying vulnerability.