Security advisory
A tampering vulnerability exists in PowerShell that could allow an attacker to execute unlogged code, aka "Microsoft PowerShell Tampering Vulnerability." This affects Windows 7, PowerShell Core 6.1, Windows Server 2012 R2, Windows RT 8.1, PowerShell Core 6.0, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-8415
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:37 UTC · Revision 1
Source evidence
A tampering vulnerability exists in PowerShell that could allow an attacker to execute unlogged code, aka "Microsoft PowerShell Tampering Vulnerability." This affects Windows 7, PowerShell Core 6.1, Windows Server 2012 R2, Windows RT 8.1, PowerShell Core 6.0, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
osv:CVE-2018-8415
Complete source record
{
"id": "fde95bfad7919c87ffa5208e24eb4f5a61b8183b84a1335f573a735cf133ed42",
"url": "https://osv.dev/vulnerability/CVE-2018-8415",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-8415",
"summary": "A tampering vulnerability exists in PowerShell that could allow an attacker to execute unlogged code, aka \"Microsoft PowerShell Tampering Vulnerability.\" This affects Windows 7, PowerShell Core 6.1, Windows Server 2012 R2, Windows RT 8.1, PowerShell Core 6.0, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.",
"evidence": "osv:CVE-2018-8415",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-8415",
"aliases": [
"CVE-2018-8415"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/powershell/powershell",
"type": "GIT",
"events": [
{
"introduced": "2f818615bed15141c062dd185f659ed110d9c6ba"
},
{
"last_affected": "855d2b9d75bd5b92e1929676d3ec6e13ef3e6838"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:microsoft:powershell_core:6.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:microsoft:powershell_core:6.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "6.1"
},
{
"last_affected": "6.1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"6.0",
"6.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8415.json"
}
}
],
"modified": "2026-10-24T10:30:21.061103300Z",
"provider": "osv",
"references": [
"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8415"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*",
"cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*",
"cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*",
"cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*",
"cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_10",
"extracted_events": [
{
"range": [
{
"introduced": "1607"
},
{
"last_affected": "1607"
},
{
"introduced": "1703"
},
{
"last_affected": "1703"
},
{
"introduced": "1709"
},
{
"last_affected": "1709"
},
{
"introduced": "1803"
},
{
"last_affected": "1803"
},
{
"introduced": "1809"
},
{
"last_affected": "1809"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_server_2008",
"extracted_events": [
{
"range": [
{
"introduced": "r2-sp1"
},
{
"last_affected": "r2-sp1"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_server_2012",
"extracted_events": [
{
"range": [
{
"introduced": "r2"
},
{
"last_affected": "r2"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*",
"cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*"
],
"vendor_product": "microsoft:windows_server_2016",
"extracted_events": [
{
"range": [
{
"introduced": "1709"
},
{
"last_affected": "1709"
},
{
"introduced": "1803"
},
{
"last_affected": "1803"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-8415",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430411,
"published_at": "2018-11-14T01:29:00.38+00:00"
}