High
Security advisory
Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-49734
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:19 UTC · Revision 1
Source evidence
Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.
osv:CVE-2025-49734
Complete source record
{
"id": "e36e71efff35f00fe4c14638b1878854aa20e45dc9c4e086818fdd77daad84f8",
"url": "https://osv.dev/vulnerability/CVE-2025-49734",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2025-49734",
"summary": "Improper restriction of communication channel to intended endpoints in Windows PowerShell allows an authorized attacker to elevate privileges locally.",
"evidence": "osv:CVE-2025-49734",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-49734",
"aliases": [
"BIT-powershell-2025-49734",
"CVE-2025-49734"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/powershell/powershell",
"type": "GIT",
"events": [
{
"introduced": "1393d167f54466ec60c547b56f0c4d8326da7dc8"
},
{
"fixed": "94beb9aebf68618babb191714e2872002984b2b0"
},
{
"introduced": "713e77f15f63bae9f23fb02045c7843ad6a8769b"
},
{
"fixed": "b72c7ab1238c2d95b5c9004bca8399b8b3ca88ac"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.4"
},
{
"fixed": "7.4.12"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.5"
},
{
"fixed": "7.5.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v7.4.8",
"v7.4.11",
"v7.4.9",
"v7.4.7",
"v7.4.5",
"v7.4.4",
"v7.4.3",
"v7.4.2",
"v7.4.1",
"v7.4.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-49734.json"
}
}
],
"modified": "2026-10-24T10:30:51.812623522Z",
"provider": "osv",
"references": [
"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49734"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:powershell",
"extracted_events": [
{
"range": [
{
"introduced": "7.4"
},
{
"fixed": "7.4.12"
},
{
"introduced": "7.5"
},
{
"fixed": "7.5.3"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*",
"cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*"
],
"vendor_product": "microsoft:windows_10_1607",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.14393.8422"
},
{
"fixed": "10.0.14393.8422"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*",
"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*"
],
"vendor_product": "microsoft:windows_10_1809",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.17763.7792"
},
{
"fixed": "10.0.17763.7792"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_10_21h2",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.19044.6332"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_10_22h2",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.19045.6332"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_11_22h2",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.22621.5909"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_11_23h2",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.22631.5909"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_11_24h2",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.26100.6508"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_server_2016",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.14393.8422"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_server_2019",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.17763.7792"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_server_2022",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.20348.4106"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_server_2022_23h2",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.25398.1849"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_server_2025",
"extracted_events": [
{
"range": [
{
"fixed": "10.0.26100.6508"
}
],
"source": "CPE_RANGE"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2025-49734",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 437560,
"published_at": "2025-09-09T17:15:48.057+00:00"
}