# CVE-2026-95885: Microsoft Windows Client for NFS use after free privilege elevation

Source: https://junglewise.ai/threats/cve-2026-95885-use-after-free-in-windows-client-for-nfs-allows-an-unauthorized  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-95885 · Severity: high · CVSS 8.1 · Published 2026-11-10

Windows Client for NFS is a Windows component that allows access to network file systems. A use-after-free vulnerability in this component allows an attacker on the network to execute code with elevated privileges on affected systems without requiring credentials, leading to potential full system compromise.

Technologies: [Microsoft Windows Client for NFS](https://junglewise.ai/threats/technologies/windows-client-for-nfs). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-95885 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-95885 being exploited in the wild.

**How severe is CVE-2026-95885?** High severity, with a CVSS score of 8.1, published 10 November 2026.

**Which products and versions are affected?** Microsoft Windows Client for NFS.

**Is there a fix for CVE-2026-95885?** 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-2026-95885 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2026-95885?** Check whether you run Microsoft Windows Client for NFS. 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

A use-after-free vulnerability exists in the Windows Client for NFS component that can be triggered by a network attacker. The vulnerability allows privilege escalation and can be exploited over the network without prior authentication. Successful exploitation grants the attacker elevated privileges on the affected system.

## Affected products

- Microsoft Windows Client for NFS

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95885](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95885)

## Related threats

- [Microsoft Windows Client for NFS use-after-free remote code execution](https://junglewise.ai/threats/cve-2026-88249-use-after-free-in-windows-client-for-nfs-allows-an-unauthorized)
- [Windows Client for NFS heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-122165-heap-based-buffer-overflow-in-windows-client-for-nfs-allows-an)
- [Microsoft Windows Client for NFS improper access control](https://junglewise.ai/threats/cve-2026-119404-improper-access-control-in-windows-client-for-nfs-allows-an)
- [Windows Client for NFS stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-118141-stack-based-buffer-overflow-in-windows-client-for-nfs-allows-an)
- [Microsoft Windows Client for NFS race condition privilege escalation](https://junglewise.ai/threats/cve-2026-118138-concurrent-execution-using-shared-resource-with-improper)