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EUVD-2019-9821

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu

Denial of service vulnerability in Microsoft Defender when handling files.

Related
Affected
Refs
[
  {
    "enisaIdVendor": [
      {
        "id": "35abafd5-e55c-3905-b979-0188d782c118",
        "vendor": {
          "name": "Microsoft"
        }
      }
    ],
    "enisaIdProduct": [
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        "id": "0033999b-2731-3816-905f-c856a7ede823",
        "product": {
          "name": "Microsoft System Center"
        },
        "product_version": "2012 R2 Endpoint Protection"
      },
      {
        "id": "04067228-5f08-37ca-bfea-eefeb82c8c95",
        "product": {
          "name": "Windows Defender on Windows Server 2008 for 32-bit Systems"
        },
        "product_version": "Service Pack 2"
      },
      {
        "id": "06eacb84-6a83-35b8-8264-41d4ff97ef39",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1903 for x64-based Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "08cc921c-12d8-38b4-89a3-1eba929ddf31",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1607 for 32-bit Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "145009a5-b79b-360c-9d18-73441f7cefc7",
        "product": {
          "name": "Windows Defender on Windows 7 for x64-based Systems"
        },
        "product_version": "Service Pack 1"
      },
      {
        "id": "259f6460-7582-343e-ae6e-f41483ce3287",
        "product": {
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        },
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      {
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        "product": {
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        },
        "product_version": "Service Pack 1"
      },
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        "id": "316b4148-23f3-3b7b-abbc-a99e55e58c6f",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1709 for x64-based Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "3c4a6ea7-2628-334a-83b4-49821be947b5",
        "product": {
          "name": "Windows Defender on Windows 10 for 32-bit Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "4a079404-5cbe-38d5-929f-b3a2d41ab8b2",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1709 for ARM64-based Systems"
        },
        "product_version": "unspecified"
      },
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        "id": "4db61909-aaba-39a3-b1e8-621ca3329b4a",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1703 for 32-bit Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "4db68d77-0ee6-39dc-8592-115eb4320af2",
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          "name": "Windows Defender on Windows Server 2012 (Server Core installation)"
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      {
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        "product": {
          "name": "Windows Defender on Windows Server 2008 R2 for x64-based Systems (Server Core installation)"
        },
        "product_version": "Service Pack 1"
      },
      {
        "id": "6122ade3-e87f-3100-8647-cefa37cc4d8b",
        "product": {
          "name": "Microsoft Forefront Endpoint Protection"
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        "product_version": "2010"
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      {
        "id": "63234eb6-37a3-33b1-8b95-1d02d475f56e",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1809 for x64-based Systems"
        },
        "product_version": "unspecified"
      },
      {
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        "product": {
          "name": "Windows Defender on Windows 10 Version 1709 for 32-bit Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "67cb8fb6-3fce-3f23-8129-139f0b9e0de5",
        "product": {
          "name": "Microsoft System Center"
        },
        "product_version": "Endpoint Protection"
      },
      {
        "id": "6cde76b8-bbfd-34c1-a8c7-f36e114c0d92",
        "product": {
          "name": "Windows Defender on Windows Server 2008 for Itanium-Based Systems"
        },
        "product_version": "Service Pack 2"
      },
      {
        "id": "847c020d-ebfe-3f05-803d-fb493e421306",
        "product": {
          "name": "Windows Defender on Windows Server 2012"
        },
        "product_version": "unspecified"
      },
      {
        "id": "8d114753-a3ba-393b-a3a2-aa1e428f522d",
        "product": {
          "name": "Windows Defender on Windows Server 2008 R2 for x64-based Systems"
        },
        "product_version": "Service Pack 1"
      },
      {
        "id": "8f676777-3880-372e-a97b-88f15e801e54",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1903 for 32-bit Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "92535feb-a45b-3d5b-b873-2f7ab0eefe8d",
        "product": {
          "name": "Windows Defender on Windows Server 2019"
        },
        "product_version": "unspecified"
      },
      {
        "id": "93255a66-dd14-3d29-a04f-57a32acd1cb3",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1809 for ARM64-based Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "9439cb15-607a-30b4-93a7-01bd07736856",
        "product": {
          "name": "Windows Defender on Windows RT 8.1"
        },
        "product_version": "unspecified"
      },
      {
        "id": "980f4e7d-3e3c-3109-932c-8454f60b0727",
        "product": {
          "name": "Windows Defender on Windows Server, version 1803  (Server Core Installation)"
        },
        "product_version": "unspecified"
      },
      {
        "id": "98ad3ede-297e-33cc-81d6-54348b09eeba",
        "product": {
          "name": "Windows Defender on Windows Server 2016  (Server Core installation)"
        },
        "product_version": "unspecified"
      },
      {
        "id": "9c39906b-d137-3c63-807b-1dbe6210bda7",
        "product": {
          "name": "Windows Defender on Windows 7 for 32-bit Systems"
        },
        "product_version": "Service Pack 1"
      },
      {
        "id": "9e0e1f14-b3fb-304a-aeac-2e566b4e5241",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1803 for ARM64-based Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "bfbe9372-1890-34c2-bc3a-a285cd697a99",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1903 for ARM64-based Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "c34187f9-2fae-30ae-a5b0-5d153a147ae5",
        "product": {
          "name": "Windows Defender on Windows Server, version 1903 (Server Core installation)"
        },
        "product_version": "unspecified"
      },
      {
        "id": "c905f618-1bc6-34f9-a815-6dde51ac5baa",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1703 for x64-based Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "cfa5aec7-1f75-3977-a839-b9b13a0657bb",
        "product": {
          "name": "Windows Defender on Windows Server 2012 R2 (Server Core installation)"
        },
        "product_version": "unspecified"
      },
      {
        "id": "d06b5a67-73df-3301-9517-5ebf7be3bd04",
        "product": {
          "name": "Microsoft Security Essentials"
        },
        "product_version": "unspecified"
      },
      {
        "id": "d1c67c02-e221-37ce-85ac-f5ae8ae90db9",
        "product": {
          "name": "Windows Defender on Windows 10 for x64-based Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "ddc5192a-1ce4-3674-8e90-0b7b3a734780",
        "product": {
          "name": "Microsoft System Center"
        },
        "product_version": "2012 Endpoint Protection"
      },
      {
        "id": "e4731774-b65a-337c-90b4-ef4c478fd544",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1809 for 32-bit Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "eafc583a-7856-3e97-bad8-f43adb865f47",
        "product": {
          "name": "Windows Defender on Windows Server 2019  (Server Core installation)"
        },
        "product_version": "unspecified"
      },
      {
        "id": "efbd470a-d8be-3073-85c7-a4e9b055b2e0",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1803 for 32-bit Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "f17c4ca4-6fbd-31b4-8675-dc4b84d56f9c",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1803 for x64-based Systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "f7dfd65e-ff17-32dd-b76f-efa6a787312d",
        "product": {
          "name": "Windows Defender on Windows Server 2008 for 32-bit Systems (Server Core installation)"
        },
        "product_version": "Service Pack 2"
      },
      {
        "id": "f9523960-ef3f-3b9e-b8af-82e206c5c760",
        "product": {
          "name": "Windows Defender on Windows 8.1 for x64-based systems"
        },
        "product_version": "unspecified"
      },
      {
        "id": "f9b17945-c42a-33c9-985e-0525aa35a228",
        "product": {
          "name": "Windows Defender on Windows Server 2016"
        },
        "product_version": "unspecified"
      },
      {
        "id": "fe375c43-8f14-3210-acc8-b7677755de96",
        "product": {
          "name": "Windows Defender on Windows 10 Version 1607 for x64-based Systems"
        },
        "product_version": "unspecified"
      }
    ]
  }
]

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07 Oct 2025 00:30Current
7.8High risk
Vulners AI Score7.8
CVSS 3.17.5
CVSS 25
EPSS0.09124
0