Home/CVE/Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker
CVE

CVE-2025-49734

Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker

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

HIGH · CVSS 7 EPSS 0.00084
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
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Weakness Classification

CWE-923Improper Restriction of Communication Channel to Intended Endpoints
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Affected Products & Versions

14
microsoft powershell>= 7.4 and < 7.4.12
microsoft powershell>= 7.5 and < 7.5.3
microsoft windows 10 1607< 10.0.14393.8422
microsoft windows 10 1809< 10.0.17763.7792
microsoft windows 10 21h2< 10.0.19044.6332
microsoft windows 10 22h2< 10.0.19045.6332
microsoft windows 11 22h2< 10.0.22621.5909
microsoft windows 11 23h2< 10.0.22631.5909
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalBad Opsec Powershell Code Artifacts
productcriticalSuspicious PowerShell Mailbox Export to Share - PS
productcriticalSuspicious PowerShell Mailbox Export to Share
productcriticalHackTool - Empire PowerShell UAC Bypass
productcriticalHackTool - DInjector PowerShell Cradle Execution
producthighDelete Volume Shadow Copies Via WMI With PowerShell
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Scoring & Timeline

7
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Sep 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

1
msrcCVE-2025-49734Elevation of Privilege
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