---
id: "CVE-2019-0903"
kind: "vulnerability"
aliases: ["CVE-2019-0903"]
title: "Microsoft Graphics Device Interface (GDI): Microsoft GDI Remote Code Execution Vulnerability"
severity: "critical"
cvss: 9.3
epss: 0.21713
exploited: true
status: "open"
category: "infrastructure"
products: [{"name": "Microsoft Graphics Device Interface (GDI)", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "infrastructure", "microsoft-gdi", "windows"]
not_affected_if: ["unknown"]
published_at: "2019-05-16T19:29:02+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2019-0903", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-0903", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0903", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Microsoft Graphics Device Interface (GDI): Microsoft GDI Remote Code Execution Vulnerability

A memory handling flaw in the Windows Graphics Device Interface (GDI) lets code run remotely on affected Windows systems. An attacker who exploits it can take control of the machine.

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

## Affected

- vendor:Microsoft Graphics Device Interface (GDI) affected ? fixed ?

## Fix

Apply the Microsoft update for CVE-2019-0903 per vendor instructions, as CISA requires; the sources do not name the KB or build numbers.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2019-0903
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2019-0903
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2019-0903

## From the sources

A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system.

CISA required action: Apply updates per vendor instructions.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_
