---
id: CVE-2026-32221
title: >-
  Heap-based buffer overflow in Microsoft Graphics Component allows an
  unauthorized attacker to execute code locally.
summary: >-
  Heap-based buffer overflow in Microsoft Graphics Component allows an
  unauthorized attacker to execute code locally.
severity: high
cvss: 8.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-122
vendor: microsoft
product: windows_11_24h2
affected:
  - windows_11_24h2 < 10.0.26100.8246
  - windows_11_25h2 < 10.0.26200.8246
  - windows_11_26h1 < 10.0.28000.1836
  - windows_server_2025 < 10.0.26100.32690
patched:
  - windows_11_24h2 10.0.26100.8246
  - windows_11_25h2 10.0.26200.8246
  - windows_11_26h1 10.0.28000.1836
  - windows_server_2025 10.0.26100.32690
published: '2026-04-14'
updated: '2026-07-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-32221'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32221'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00364
epssPercentile: 0.27672
ingestedAt: '2026-07-26T10:11:58.907Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-04-15T03:56:38.457373Z'
---

## Overview

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.

## Affected

- `windows_11_24h2 < 10.0.26100.8246`
- `windows_11_25h2 < 10.0.26200.8246`
- `windows_11_26h1 < 10.0.28000.1836`
- `windows_server_2025 < 10.0.26100.32690`

## Remediation

Upgrade past the affected range:

- `windows_11_24h2 10.0.26100.8246`
- `windows_11_25h2 10.0.26200.8246`
- `windows_11_26h1 10.0.28000.1836`
- `windows_server_2025 10.0.26100.32690`