---
id: "CVE-2026-118222"
page: "https://infrastack.ai/live/CVE-2026-118222"
kind: "vulnerability"
aliases: ["CVE-2026-118222"]
title: "Windows graphics platform heap overflow lets a local user gain higher privileges"
severity: "high"
cvss: 7.8
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "windows"]
not_affected_if: ["no-local-users", "patched-windows"]
published_at: "2026-11-10T19:19:39+00:00"
first_seen_at: "2026-11-10T19:24:50+00:00"
updated_at: "2026-11-10T19:40:47+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-118222", "first_seen_at": "2026-11-10T19:24:50+00:00"}]
exploit_sources: []
---

# Windows graphics platform heap overflow lets a local user gain higher privileges

Link for people: https://infrastack.ai/live/CVE-2026-118222 (this .md is for agents)

A heap-based buffer overflow in the Windows Advanced Rasterization Platform, the graphics component of Windows, lets an attacker who already has a logged-in account raise their privileges on the machine. The sources give a CVSS score of 7.8 (high) and state no known exploitation.

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

## How to check

- Check the Windows build with `winver` and compare it against Microsoft's security update for CVE-2026-118222 (unknown from the sources)
- Run `Get-HotFix` in PowerShell to list installed security updates (unknown from the sources)

## Timeline

- 2026-11-10T19:24:50+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-118222

## From the sources

Heap-based buffer overflow in Windows Advanced Rasterization Platform allows an authorized attacker to elevate privileges locally.

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