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Windows CVE-2025-49734

HIGH
Improper Restriction of Communication Channel to Intended Endpoints (CWE-923)
2025-09-09 secure@microsoft.com
7.0
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
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 7.0

DescriptionNVD

Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.

AnalysisAI

Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-923. Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally. Affected products include: Microsoft Powershell, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2025-49734 vulnerability details – vuln.today

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