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EUVD-2026-56397

🗓️ 11 Aug 2026 17:04:33Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Race condition in Windows DNS allows unauthorized remote code execution via improperly synchronized shared resource.

Related
Affected
Refs
[
  {
    "enisaIdVendor": [
      {
        "id": "7266986a-e845-3871-989f-761978605b28",
        "vendor": {
          "name": "Microsoft"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "15b4d1d8-42c8-3573-8de3-0f24049807db",
        "product": {
          "name": "Windows 10 Version 1607",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.14393.0 <10.0.14393.9418"
      },
      {
        "id": "3a81176b-18e9-3ea2-8385-02feb494a176",
        "product": {
          "name": "Windows Server 2019 (Server Core installation)",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.17763.0 <10.0.17763.9115"
      },
      {
        "id": "5234e4da-724c-3ba7-869a-d7e6a599e649",
        "product": {
          "name": "Windows Server 2025 (Server Core installation)",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.26100.0 <10.0.26100.33296"
      },
      {
        "id": "5920e8f5-833a-37a2-9ec6-08743eaba585",
        "product": {
          "name": "Windows Server 2022",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.20348.0 <10.0.20348.5499"
      },
      {
        "id": "5c06a1f7-f359-3c94-b071-8142f714f84e",
        "product": {
          "name": "Windows 10 Version 1809",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.17763.0 <10.0.17763.9115"
      },
      {
        "id": "715a7615-6fae-3e6f-84b3-40d64e99b40e",
        "product": {
          "name": "Windows Server 2025",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.26100.0 <10.0.26100.33296"
      },
      {
        "id": "a0140bd8-68a5-3d4c-b963-1384d638a243",
        "product": {
          "name": "Windows Server 2016",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.14393.0 <10.0.14393.9418"
      },
      {
        "id": "a26ccf9d-9ce3-367b-aff2-2f13e181fb35",
        "product": {
          "name": "Windows Server 2016 (Server Core installation)",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.14393.0 <10.0.14393.9418"
      },
      {
        "id": "df8861e0-9a17-3f51-b970-170fde3d18b0",
        "product": {
          "name": "Windows Server 2019",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "10.0.17763.0 <10.0.17763.9115"
      }
    ]
  }
]

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11 Aug 2026 23:58Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.18.1
SSVC
3