{
"document": {
"acknowledgments": [
{
"names": [
"Peng Zhou (zpbrent)"
]
},
{
"names": [
"Abdulkareem Azeez"
]
},
{
"names": [
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]
},
{
"names": [
"HASAN FLAYYIH ABDULLAH"
]
},
{
"names": [
"Tzah Pahima"
]
},
{
"names": [
"Tzah Pahima"
]
},
{
"names": [
"Rijul JenJen (PortZero Gmbh) with Port Zero GmbH ( Berlin ,Germany )"
]
},
{
"names": [
"Lucas Futures"
]
},
{
"names": [
"Abdulkareem Azeez"
]
},
{
"names": [
"blinke182"
]
},
{
"names": [
"Tahira Muhammad with Student @ College of Southern Nevada"
]
}
],
"aggregate_severity": {
"namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
"text": "Important"
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"category": "csaf_security_advisory",
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"distribution": {
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"tlp": {
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"url": "https://www.first.org/tlp/"
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"notes": [
{
"category": "general",
"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
},
{
"category": "general",
"text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
"title": "Customer Action"
}
],
"publisher": {
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"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
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{
"category": "self",
"summary": "CVE-2026-50523 Microsoft PowerShell Remote Code Execution Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50523"
},
{
"category": "self",
"summary": "CVE-2026-50523 Microsoft PowerShell Remote Code Execution Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-50523.json"
},
{
"category": "external",
"summary": "Microsoft Exploitability Index",
"url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
},
{
"category": "external",
"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "Microsoft PowerShell Remote Code Execution Vulnerability",
"tracking": {
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"generator": {
"date": "2026-08-27T18:31:34.239Z",
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},
"id": "msrc_CVE-2026-50523",
"initial_release_date": "2026-08-11T07:00:00.000Z",
"revision_history": [
{
"date": "2026-08-11T07:00:00.000Z",
"legacy_version": "1",
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"summary": "Information published."
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{
"date": "2026-08-14T07:00:00.000Z",
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],
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},
"vulnerabilities": [
{
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"cwe": {
"id": "CWE-77",
"name": "Improper Neutralization of Special Elements used in a Command ('Command Injection')"
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"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
}
],
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},
{
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
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"confidentialityImpact": "HIGH",
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 6.8,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
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],
"threats": [
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"details": "Remote Code Execution"
},
{
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"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Microsoft PowerShell Remote Code Execution Vulnerability"
}
]
}