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Windows 10 21h2 CVE-2025-54103

HIGH
Use After Free (CWE-416)
2025-09-09 secure@microsoft.com
Memory Corruption Denial Of Service Use After Free Microsoft Windows 10 21h2 Windows 10 22h2 Windows 11 22h2 Windows 11 23h2 Windows 11 24h2 Windows Server 2022 23h2 Windows Server 2025 Windows
7.4
CVSS 3.1 · NVD
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Severity by source

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:11 vuln.today
CVE Published
Sep 09, 2025 - 17:15 nvd
HIGH 7.4

DescriptionCVE.org

Use after free in Windows Management Services allows an unauthorized attacker to elevate privileges locally.

AnalysisAI

Use after free in Windows Management Services allows an unauthorized attacker to elevate privileges locally. Rated high severity (CVSS 7.4), this vulnerability is no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Use after free in Windows Management Services allows an unauthorized attacker to elevate privileges locally. Affected products include: Microsoft Windows 10 21H2, Microsoft Windows 10 22H2, Microsoft Windows 11 22H2, Microsoft Windows 11 23H2, Microsoft Windows 11 24H2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

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CVE-2025-54103 vulnerability details – vuln.today
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