# CVE-2026-47578: NVIDIA GPU Display Driver for Windows buffer size calculation vulnerability

Source: https://junglewise.ai/threats/cve-2026-47578-nvidia-gpu-display-driver-for-windows-contains-a-vulnerability-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-30. Updated: 2026-09-30  
License: CC BY 4.0 with a link back

CVE-2026-47578 · Severity: high · CVSS 7.8 · Published 2026-09-30

NVIDIA's GPU Display Driver for Windows contains a flaw in its kernel-mode layer that could allow an attacker with local access to cause a buffer size calculation error. Successful exploitation could result in code execution with elevated privileges, system crashes, or unauthorized data access on affected systems.

Technologies: [Nvidia GPU Display Driver](https://junglewise.ai/threats/technologies/gpu-display-driver). Vendors: [Nvidia](https://junglewise.ai/threats/vendors/nvidia).

## Quick answers

**Is CVE-2026-47578 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-47578 being exploited in the wild.

**How severe is CVE-2026-47578?** High severity, with a CVSS score of 7.8, published 30 September 2026.

**Which products and versions are affected?** Nvidia GPU Display Driver <UNKNOWN>.

**Is there a fix for CVE-2026-47578?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-47578 attacked?** It is attacked with local access, in device firmware.

**Am I affected by CVE-2026-47578?** Check whether you run Nvidia GPU Display Driver at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability exists in the kernel mode layer of the NVIDIA GPU Display Driver due to incorrect buffer size calculation. An attacker with local network or physical access could exploit this flaw to achieve code execution, privilege escalation, information disclosure, or denial of service. A patch from NVIDIA is expected to be available.

## Affected products

- NVIDIA GPU Display Driver <UNKNOWN>

## Timeline

- 2026-09-30: disclosed

## References

- [https://github.com/NVIDIA/product-security/tree/main/2026/5861](https://github.com/NVIDIA/product-security/tree/main/2026/5861)
- [https://www.cve.org/CVERecord?id=CVE-2026-47578](https://www.cve.org/CVERecord?id=CVE-2026-47578)

## Related threats

- [NVIDIA GPU Display Driver pointer dereference in kernel mode](https://junglewise.ai/threats/cve-2026-47602-nvidia-gpu-display-driver-for-windows-and-linux-contains-a)
- [NVIDIA GPU Display Driver DMA-BUF privilege escalation](https://junglewise.ai/threats/cve-2026-47601-nvidia-gpu-display-driver-for-windows-and-linux-contains-a)
- [NVIDIA GPU Display Driver kernel mode error-handling code execution](https://junglewise.ai/threats/cve-2026-47600-nvidia-gpu-display-driver-for-windows-and-linux-contains-a)
- [NVIDIA GPU Display Driver for Linux DMA memory access vulnerability](https://junglewise.ai/threats/cve-2026-47599-nvidia-gpu-display-driver-for-linux-contains-a-vulnerability-in)
- [NVIDIA GPU Display Driver for Linux memory permissions vulnerability](https://junglewise.ai/threats/cve-2026-47596-nvidia-gpu-display-driver-for-linux-contains-a-vulnerability-in)