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Windows DirectX CVE-2026-50382

| EUVDEUVD-2026-43937 HIGH
Untrusted Pointer Dereference (CWE-822)
2026-07-14 microsoft GHSA-m7r7-9v2w-rjcg
8.8
CVSS 3.1 · Vendor: microsoft
Temporal: 7.7
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Severity by source

Vendor (microsoft) PRIMARY
8.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CIRCL (temporal)
7.7 HIGH
cvss
vuln.today AI
8.8 HIGH

Local, low-privilege trigger with no user interaction; a kernel DirectX pointer dereference yielding code execution justifies S:C and full C/I/A impact.

3.1 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (microsoft).

CVSS VectorVendor: microsoft

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Jul 14, 2026 - 21:08 vuln.today
CVE Published
Jul 14, 2026 - 17:07 nvd
HIGH 8.8

DescriptionCVE.org

Untrusted pointer dereference in Windows DirectX allows an authorized attacker to execute code locally.

AnalysisAI

Local code execution in the Windows DirectX graphics component (CVE-2026-50382) lets an already-authenticated user run arbitrary code and, because the CVSS scope is Changed, break out of the calling security context to compromise the wider system. It affects a broad range of Windows client and server builds from Windows 10 1809 through Windows 11 26H1 and Windows Server 2019 through 2025. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain low-privileged local access
Delivery
Invoke crafted call to DirectX component
Exploit
Trigger untrusted pointer dereference
Execution
Corrupt memory and execute code
Impact
Escape scope to control system

Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to already have local, authenticated access to the target Windows host at low privilege (PR:L) and the ability to execute code that reaches the DirectX component - consistent with AV:L (local) and AC:L (low complexity), with no user interaction needed (UI:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H (8.8, High) describes a local attack (AV:L) requiring only low privileges (PR:L) and no user interaction, with a Changed scope and total confidentiality, integrity, and availability impact - the profile of a privilege-escalation / local code-execution flaw where a low-privileged user gains high-impact control over the system. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A standard, non-administrative user (or malware running in a low-privileged context after initial access, e.g., via phishing or a compromised service account) executes a program that submits crafted input to the vulnerable DirectX component, causing it to dereference an attacker-controlled pointer. The resulting memory corruption is leveraged to execute code in a higher-privileged/kernel context, and the Changed scope means the attacker escapes their original sandbox to control the broader system. …
Remediation Patch available per vendor advisory: apply the Microsoft security update for CVE-2026-50382 for your specific Windows build via Windows Update or WSUS/SCCM, using the guidance at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50382 (the input confirms a fix is available from the vendor but does not specify exact KB/build numbers, so map your SKU to the correct KB on that page). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all Windows 10 (build 1809+), Windows 11 (up to 26H1), and Windows Server 2019-2025 systems and identify which systems have local user access privileges. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-50382 vulnerability details – vuln.today

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