---
id: "CVE-2026-88215"
page: "https://infrastack.ai/live/CVE-2026-88215"
kind: "vulnerability"
aliases: ["CVE-2026-88215"]
title: "Windows Filtering Platform: use-after-free lets a local user gain higher privileges"
severity: "medium"
cvss: 6.4
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "self-hosted", "windows"]
not_affected_if: ["no-local-users"]
published_at: "2026-11-10T19:21:28+00:00"
first_seen_at: "2026-11-10T19:25:19+00:00"
updated_at: "2026-11-10T19:58:16+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-88215", "first_seen_at": "2026-11-10T19:25:19+00:00"}]
exploit_sources: []
---

# Windows Filtering Platform: use-after-free lets a local user gain higher privileges

Link for people: https://infrastack.ai/live/CVE-2026-88215 (this .md is for agents)

Windows Filtering Platform, the Windows networking filter component, has a use-after-free bug. An attacker with a local account can use it to elevate their privileges on the machine.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Windows build against Microsoft's security update guide for CVE-2026-88215 (unknown: the sources do not list affected builds)
- Confirm Windows Update reports the latest cumulative update as installed

## Timeline

- 2026-11-10T19:25:19+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-88215

## From the sources

Use after free in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_