{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Liubenjin\u00a0from Codesafe Team of Legendsec at Qi\u0027anxin Group"
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      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
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      {
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        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
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        "summary": "CVE-2021-26433 Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26433"
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        ],
        "category": "product_name",
        "name": "Windows Server 2019"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-26433",
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "The type of information that could be disclosed if an attacker successfully exploited this vulnerability is uninitialized memory.",
          "title": "What type of information could be disclosed by this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "10378",
          "10379",
          "10481",
          "10482",
          "10483",
          "10484",
          "10543",
          "10729",
          "10735",
          "10816",
          "10852",
          "10853",
          "10855",
          "11568",
          "11569",
          "11570",
          "11571",
          "11572",
          "11712",
          "11713",
          "11714",
          "11766",
          "11767",
          "11768",
          "11769",
          "11801",
          "11802",
          "11803",
          "11896",
          "11897",
          "11898"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17",
          "18",
          "19",
          "20",
          "21",
          "22",
          "23",
          "24",
          "25",
          "26",
          "27",
          "28",
          "29",
          "30",
          "31"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2021-26433 Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26433"
        },
        {
          "category": "self",
          "summary": "CVE-2021-26433 Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2021/msrc_cve-2021-26433.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "10.0.17763.2114:Security Update:https://support.microsoft.com/help/5005030",
          "product_ids": [
            "18",
            "17",
            "16",
            "14",
            "15"
          ],
          "url": "https://support.microsoft.com/help/5005030"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "10.0.18363.1734:Security Update:https://support.microsoft.com/help/5005031",
          "product_ids": [
            "13",
            "12",
            "11"
          ],
          "url": "https://support.microsoft.com/help/5005031"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "10.0.19043.1165:Security Update:https://support.microsoft.com/help/5005033",
          "product_ids": [
            "3",
            "2",
            "1"
          ],
          "url": "https://support.microsoft.com/help/5005033"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "10.0.19041.1165:Security Update:https://support.microsoft.com/help/5005033",
          "product_ids": [
            "10",
            "9",
            "8",
            "7"
          ],
          "url": "https://support.microsoft.com/help/5005033"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "10.0.19042.1165:Security Update:https://support.microsoft.com/help/5005033",
          "product_ids": [
            "6",
            "5",
            "4"
          ],
          "url": "https://support.microsoft.com/help/5005033"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "10.0.10240.19022:Security Update:https://support.microsoft.com/help/5005040",
          "product_ids": [
            "24",
            "23"
          ],
          "url": "https://support.microsoft.com/help/5005040"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "10.0.14393.4583:Security Update:https://support.microsoft.com/help/5005043",
          "product_ids": [
            "21",
            "20",
            "22",
            "19"
          ],
          "url": "https://support.microsoft.com/help/5005043"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "6.3.9600.20094:Monthly Rollup:https://support.microsoft.com/help/5005076",
          "product_ids": [
            "29",
            "28",
            "27",
            "25"
          ],
          "url": "https://support.microsoft.com/help/5005076"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "6.3.9600.20094:Security Only:https://support.microsoft.com/help/5005106",
          "product_ids": [
            "29",
            "28",
            "27",
            "25"
          ],
          "url": "https://support.microsoft.com/help/5005106"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "6.3.9600.20094:Monthly Rollup:https://support.microsoft.com/help/5005076",
          "product_ids": [
            "26"
          ],
          "url": "https://support.microsoft.com/help/5005076"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "6.2.9200.23435:Monthly Rollup:https://support.microsoft.com/help/5005099",
          "product_ids": [
            "31",
            "30"
          ],
          "url": "https://support.microsoft.com/help/5005099"
        },
        {
          "category": "vendor_fix",
          "date": "2021-08-10T07:00:00.000Z",
          "details": "6.2.9200.23435:Security Only:https://support.microsoft.com/help/5005094",
          "product_ids": [
            "31",
            "30"
          ],
          "url": "https://support.microsoft.com/help/5005094"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 6.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25",
            "26",
            "27",
            "28",
            "29",
            "30",
            "31"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Information Disclosure"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability"
    }
  ]
}