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Windows 10 21h2 CVE-2026-25168

MEDIUM
NULL Pointer Dereference (CWE-476)
2026-03-10 secure@microsoft.com
Microsoft Null Pointer Dereference Denial Of Service Windows 10 21h2 Windows Server 2016 Windows 11 25h2 Windows Server 2022 Windows 10 22h2 Windows 11 23h2 Windows Server 2025 Windows Server 2012 Windows 10 1607 Windows Server 2022 23h2 Windows 11 24h2 Windows 11 26h1 Windows Server 2019 Windows 10 1809
6.2
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.2 MEDIUM
AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:18 nvd
MEDIUM 6.2

DescriptionCVE.org

Null pointer dereference in Microsoft Graphics Component allows an unauthorized attacker to deny service locally.

AnalysisAI

Microsoft Graphics Component on Windows 10 21H2, Windows Server 2016, and Windows 11 25H2 is vulnerable to a null pointer dereference that enables local denial of service attacks. An attacker with local access can trigger the vulnerability without requiring elevated privileges or user interaction to crash the graphics component and render the system unavailable. …

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Vulnerability AssessmentAI

Risk Assessment CVSS 6.2 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker without authentication could exploit this vulnerability to compromise the affected system.
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Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-25168 vulnerability details – vuln.today
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