CVE-2026-96303

{
  "id": "CVE-2026-96303",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-13T19:21:52.300",
  "lastModified": "2026-10-22T23:20:41.513",
  "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": "[email protected]",
      "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": "7.6.8",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "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": "[email protected]",
      "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"
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  ],
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96303",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}