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CVE-2026-70197

🗓️ 13 Oct 2026 19:00:26Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 103 Views

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

Related
Detection
Affected
Refs
Social
Vulners
CNA
Node
microsoft.netRange10.0.0–10.0.13
Node
microsoft.netRange11.0.0–11.0.0
Node
microsoft.netRange8.0.0–8.0.32
Node
microsoft.netRange9.0.0–9.0.21
Node
microsoftvisual_studio_2019Range16.11.0–16.11.61
Node
microsoftvisual_studio_2022Range17.14.0–17.14.43
Node
microsoftvisual_studio_2026Range18.10.0–18.10.4
Node
microsoftvisual_studio_2026Range18.11.0–18.11.2
Node
microsoftvisual_studio_2026Range18.12.0–18.12
[
  {
    "vendor": "Microsoft",
    "product": ".NET 10.0 installed on Linux",
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.403",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 10.0 installed on Mac OS",
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.403",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 10.0 installed on Windows",
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.403",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "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 installed on Linux",
    "versions": [
      {
        "version": "11.0.0-preview.1",
        "lessThan": "11.0.100-rc.3",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 11.0 installed on Mac OS",
    "versions": [
      {
        "version": "11.0.0-preview.1",
        "lessThan": "11.0.100-rc.3",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 11.0 installed on Windows",
    "versions": [
      {
        "version": "11.0.0-preview.1",
        "lessThan": "11.0.100-rc.3.26522.148",
        "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 installed on Linux",
    "versions": [
      {
        "version": "8.0.0",
        "lessThan": "8.0.427",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 8.0 installed on Mac OS",
    "versions": [
      {
        "version": "8.0.0",
        "lessThan": "8.0.427",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 8.0 installed on Windows",
    "versions": [
      {
        "version": "8.0.0",
        "lessThan": "8.0.427",
        "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 installed on Linux",
    "versions": [
      {
        "version": "9.0.0",
        "lessThan": "9.0.320",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 9.0 installed on Mac OS",
    "versions": [
      {
        "version": "9.0.0",
        "lessThan": "9.0.320",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 9.0 installed on Windows",
    "versions": [
      {
        "version": "9.0.0",
        "lessThan": "9.0.320",
        "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 Visual Studio 2019 version 16.11",
    "versions": [
      {
        "version": "16.11.0",
        "lessThan": "16.11.61",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.14",
    "versions": [
      {
        "version": "17.14.0",
        "lessThan": "17.14.43",
        "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"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2026 version 18.11",
    "versions": [
      {
        "version": "18.11.0",
        "lessThan": "18.11.2",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2026 version 18.12",
    "versions": [
      {
        "version": "18.12.0",
        "lessThan": "18.12 Insiders 3",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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31 Oct 2026 18:06Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.18.1
EPSS0.00788
SSVC
103