{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-96303", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-09-22T22:31:49.522Z", "datePublished": "2026-10-13T19:01:17.743Z", "dateUpdated": "2026-10-21T21:02:06.442Z"}, "containers": {"cna": {"title": "Microsoft PowerShell Security Feature Bypass Vulnerability", "datePublic": "2026-10-13T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*", "versionStartIncluding": "7.5.0", "versionEndExcluding": "7.5.12"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*", "versionStartIncluding": "7.4.0", "versionEndExcluding": "7.4.21"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*", "versionStartIncluding": "7.6.0", "versionEndExcluding": "7.6.7"}]}]}], "affected": [{"vendor": "Microsoft", "product": "PowerShell 7.4", "versions": [{"version": "7.4.0", "lessThan": "7.4.21", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "PowerShell 7.5", "versions": [{"version": "7.5.0", "lessThan": "7.5.12", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "PowerShell 7.6", "versions": [{"version": "7.6.0", "lessThan": "7.6.7", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Improperly implemented security check for standard in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-358: Improperly Implemented Security Check for Standard", "lang": "en-US", "type": "CWE", "cweId": "CWE-358"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-10-21T21:02:06.442Z"}, "references": [{"name": "Microsoft PowerShell Security Feature Bypass Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96303"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C"}}], "x_gcve": [{"vulnId": "CVE-2026-96303", "recordType": "advisory"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-96303", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-13T22:08:48.073582Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T22:16:34.412Z"}}]}, "vulnerability-lookup:meta": {"epss": {"cve": "CVE-2026-96303", "date": "2026-10-21", "epss": "0.00593", "percentile": "0.47592"}, "nvd": "{\"cve\":{\"id\":\"CVE-2026-96303\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2026-10-13T19:21:52.300\",\"lastModified\":\"2026-10-20T00:33:10.203\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Improperly implemented security check for standard in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature over a network.\"}],\"affected\":[{\"source\":\"secure@microsoft.com\",\"affectedData\":[{\"vendor\":\"Microsoft\",\"product\":\"PowerShell 7.4\",\"versions\":[{\"version\":\"7.4.0\",\"lessThan\":\"7.4.21\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Microsoft\",\"product\":\"PowerShell 7.5\",\"versions\":[{\"version\":\"7.5.0\",\"lessThan\":\"7.5.12\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Microsoft\",\"product\":\"PowerShell 7.6\",\"versions\":[{\"version\":\"7.6.0\",\"lessThan\":\"7.6.7\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-10-13T22:08:48.073582Z\",\"id\":\"CVE-2026-96303\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-358\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.4\",\"versionEndExcluding\":\"7.4.21\",\"matchCriteriaId\":\"E0236E5C-630C-4394-B5A0-166A87AD9A29\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.5\",\"versionEndExcluding\":\"7.5.12\",\"matchCriteriaId\":\"D50E4077-B8A1-43B4-9D05-F976B13BD8C6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.6\",\"versionEndExcluding\":\"7.6.7\",\"matchCriteriaId\":\"5049FF1E-A461-4A24-8EE5-12A911FDF276\"}]}]}],\"references\":[{\"url\":\"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96303\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Vendor Advisory\"]}]}}", "vulnrichment": {"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-96303\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-13T22:08:48.073582Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-13T22:12:12.935Z\"}}], \"cna\": {\"title\": \"Microsoft PowerShell Security Feature Bypass Vulnerability\", \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C\"}, \"scenarios\": [{\"lang\": \"en-US\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Microsoft\", \"product\": \"PowerShell 7.4\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.4.0\", \"lessThan\": \"7.4.21\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"PowerShell 7.5\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.5.0\", \"lessThan\": \"7.5.12\", \"versionType\": \"custom\"}]}, {\"vendor\": \"Microsoft\", \"product\": \"PowerShell 7.6\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.6.0\", \"lessThan\": \"7.6.7\", \"versionType\": \"custom\"}]}], \"datePublic\": \"2026-10-13T14:00:00.000Z\", \"references\": [{\"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96303\", \"name\": \"Microsoft PowerShell Security Feature Bypass Vulnerability\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"descriptions\": [{\"lang\": \"en-US\", \"value\": \"Improperly implemented security check for standard in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature over a network.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en-US\", \"type\": \"CWE\", \"cweId\": \"CWE-358\", \"description\": \"CWE-358: Improperly Implemented Security Check for Standard\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"7.5.12\", \"versionStartIncluding\": \"7.5.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"7.4.21\", \"versionStartIncluding\": \"7.4.0\"}, {\"criteria\": \"cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"7.6.7\", \"versionStartIncluding\": \"7.6.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2026-10-20T22:20:46.814Z\"}}}", "cveMetadata": "{\"cveId\": \"CVE-2026-96303\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-20T22:20:46.814Z\", \"dateReserved\": \"2026-09-22T22:31:49.522Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2026-10-13T19:01:17.743Z\", \"assignerShortName\": \"microsoft\"}", "dataType": "CVE_RECORD", "dataVersion": "5.2"}}}
