---
id: "CVE-2026-105020"
page: "https://infrastack.ai/live/CVE-2026-105020"
kind: "vulnerability"
aliases: ["CVE-2026-105020"]
title: "Windows: heap overflow in graphics platform lets local user gain admin rights"
severity: "high"
cvss: 8.8
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: [{"name": "Windows Advanced Rasterization Platform", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["infrastructure", "windows"]
not_affected_if: ["no-local-users"]
published_at: "2026-11-10T19:17:42+00:00"
first_seen_at: "2026-11-10T19:24:13+00:00"
updated_at: "2026-11-10T19:34:20+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105020", "first_seen_at": "2026-11-10T19:24:13+00:00"}]
exploit_sources: []
---

# Windows: heap overflow in graphics platform lets local user gain admin rights

Link for people: https://infrastack.ai/live/CVE-2026-105020 (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 local account raise their privileges. The sources do not describe the trigger in more detail.

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

## Affected

- vendor:Windows Advanced Rasterization Platform affected range not listed fixed no fixed version listed

## How to check

- Check the Windows build with `winver` and compare it to the Microsoft security update for CVE-2026-105020

## Timeline

- 2026-11-10T19:24:13+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-105020

## From the sources

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

---

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