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CVE-2026-96224

Full vulnerability record from the local CVENow database.

Description

Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.

Severity
HIGH
CVSS score
8.8 (v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-13 19:21:48.333000
Last modified
2026-10-22 22:19:55.430000
View original CVE JSON
{
  "id": "CVE-2026-96224",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-13T19:21:48.333",
  "lastModified": "2026-10-22T22:19:55.430",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": ".NET 10.0 runtime",
          "versions": [
            {
              "version": "10.0.0",
              "lessThan": "10.0.13",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": ".NET 11.0 runtime",
          "versions": [
            {
              "version": "11.0.0",
              "lessThan": "11.0.0-rc.2",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": ".NET 8.0 runtime",
          "versions": [
            {
              "version": "8.0.0",
              "lessThan": "8.0.32",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": ".NET 9.0 runtime",
          "versions": [
            {
              "version": "9.0.0",
              "lessThan": "9.0.21",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 3.5",
          "platforms": [
            "Windows 11 version 26H1",
            "Windows Server 2012",
            "Windows Server 2012 R2"
          ],
          "versions": [
            {
              "version": "3.5.0",
              "lessThan": "2.0.50727.9188 AND 3.0.30729.9171",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2",
          "platforms": [
            "Windows 10 version 1607",
            "Windows Server 2016",
            "Windows Server 2019"
          ],
          "versions": [
            {
              "version": "3.0.0.0",
              "lessThan": "2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 3.5 AND 4.7.2",
          "platforms": [
            "Windows 10 version 1809"
          ],
          "versions": [
            {
              "version": "4.7.0",
              "lessThan": "2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 3.5 AND 4.8",
          "platforms": [
            "Windows 10 version 1809",
            "Windows 10 version 21H2",
            "Windows 10 version 22H2",
            "Windows Server 2019",
            "Windows Server 2022"
          ],
          "versions": [
            {
              "version": "4.8.0",
              "lessThan": "2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 3.5 AND 4.8.1",
          "platforms": [
            "Windows 10 version 21H2",
            "Windows 10 version 22H2",
            "Windows 11 version 23H2",
            "Windows 11 version 24H2",
            "Windows 11 version 25H2",
            "Windows 11 version 26H2",
            "Windows Server 2022",
            "Windows Server 2025"
          ],
          "versions": [
            {
              "version": "4.8.1",
              "lessThan": "2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2",
          "platforms": [
            "Windows Server 2012",
            "Windows Server 2012 R2"
          ],
          "versions": [
            {
              "version": "4.7.0",
              "lessThan": "4.7.4150.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 4.8",
          "platforms": [
            "Windows 10 version 1607",
            "Windows Server 2012",
            "Windows Server 2012 R2",
            "Windows Server 2016"
          ],
          "versions": [
            {
              "version": "4.8.0",
              "lessThan": "4.8.4811.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 4.8.1",
          "platforms": [
            "Windows 11 version 26H1"
          ],
          "versions": [
            {
              "version": "4.8.0.0",
              "lessThan": "4.8.9363.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2022 version 17.14",
          "versions": [
            {
              "version": "17.14.0",
              "lessThan": "17.14.42",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Visual Studio 2026 version 18.10",
          "versions": [
            {
              "version": "18.10.0",
              "lessThan": "18.10.4",
              "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:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-08T00:00:00+00:00",
          "id": "CVE-2026-96224",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96224",
      "source": "[email protected]"
    }
  ]
}