Threats / Microsoft / CVE-2019-0903
CVE-2019-0903
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Microsoft Graphics Device Interface (GDI) vulnerability
A remote code execution vulnerability in Windows Graphics Device Interface (GDI) allows attackers to execute arbitrary code by exploiting improper memory object handling.
Verdict
Today item — known-exploited.
This vulnerability enables unauthenticated remote code execution through GDI memory corruption. Active exploitation in the wild demonstrates immediate risk. Affected systems face complete compromise without mitigation.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
2 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25).
Probability (EPSS)
EPSS 0.21713 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Microsoft, Graphics Device Interface (GDI). Confirm exact fixed builds in the vendor advisory.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a malicious file or network message that triggers improper GDI object handling in memory.
Business
Attackers gain initial code execution capability on Windows systems without authentication.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I escalate from code execution to full system control by leveraging the GDI process context.
Business
Compromised systems become fully controlled by adversaries, enabling data theft, lateral movement, and persistence.
3
Lateral reach — past segmentation narrative 3
Attacker
I distribute exploit code or weaponized documents to target organizations at scale.
Business
Organizations face widespread infection risk across their Windows infrastructure without rapid patching.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05