---
title: "CVE-2026-70585: Windows Services for NFS ONCRPC XDR Driver - Use After Free"
description: "Windows Services for NFS ONCRPC XDR Driver contains a use after free vulnerability, letting authorized attackers execute code locally, exploit requires attacker to have authorization."
url: https://panop.io/threat-heartbeat/CVE-2026-70585/
---

# CVE-2026-70585 Windows Services for NFS ONCRPC XDR Driver - Use After Free

Windows Services for NFS ONCRPC XDR Driver contains a use after free vulnerability, letting authorized attackers execute code locally, exploit requires attacker to have authorization.

CVSS base score 7.0 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.26% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-70585)

## Details

Type

Use After Free

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

8 September 2026

Updated

15 October 2026

Weakness

[CWE-416](https://cwe.mitre.org/data/definitions/416.html)

## Vendor fix

Update to the latest version with the vulnerability fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-70585](https://nvd.nist.gov/vuln/detail/CVE-2026-70585)
- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70585](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70585)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)