---
id: CVE-2026-85811
title: >-
  Use after free in Network Policy Server (NPS) allows an unauthorized attacker
  to execute code over an adjacent network.
summary: >-
  Use after free in Network Policy Server (NPS) allows an unauthorized attacker
  to execute code over an adjacent network.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-416
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T21:19:22.370'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85811'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85811'
    label: secure@microsoft.com
tags:
  - nvd
ingestedAt: '2026-10-13T19:43:29.171Z'
---

## Overview

Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over an adjacent network.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.