CVE Tools

CVE-2026-50375

DirectX Graphics Kernel Elevation of Privilege Vulnerability

Published: Jul 14, 2026Updated: Jul 15, 2026 Sources: CVE List NVDCWE-122

Description

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

In plain language

AI Act now

CVE-2026-50375 is a Windows DirectX bug that lets a local attacker with low privileges crash or gain higher system privileges; most small businesses only need to worry if someone can get local access to a workstation or server.

Executive summary

CVE-2026-50375 is a heap-based buffer overflow in Windows DirectX that can be exploited for local privilege elevation by an attacker who already has low-privilege access; it requires no user interaction.

If affected, business impact
Full system control after accessMalware persistence at admin levelService disruption from crashesPotential ransomware enablement

What to do now

  1. Check whether your business runs an affected Windows version (Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, Windows Server 2025).
  2. Compare your current OS build number against the fixed versions listed by Microsoft for CVE-2026-50375.
  3. Install the Microsoft update that fixes CVE-2026-50375 as soon as possible (see the exact fixed build numbers below).
  4. If you can’t patch immediately, reduce risk by preventing untrusted users from getting low-privilege local access to affected machines and keeping endpoints locked down.
Patch / advisory Usually a quick update

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:NI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High

Weaknesses

Affected Products

and 6 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

4

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