{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-50324",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-50324",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-14T17:06:42.480Z",
    "updatedAt": "2026-10-08T18:14:50.001Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Windows Active Directory Federation Services Denial of Service Vulnerability",
      "summary": "Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.",
      "affected": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 3.5 AND 4.7.2",
          "platforms": [
            "Windows 10 Version 1607 for 32-bit Systems",
            "Windows 10 Version 1607 for x64-based Systems",
            "Windows 10 Version 1809 for 32-bit Systems",
            "Windows 10 Version 1809 for x64-based Systems",
            "Windows Server 2016",
            "Windows Server 2016 (Server Core installation)",
            "Windows Server 2019",
            "Windows Server 2019 (Server Core installation)"
          ],
          "versions": [
            {
              "version": "4.7.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 3.5 AND 4.8",
          "platforms": [
            "Windows 10 Version 1809 for 32-bit Systems",
            "Windows 10 Version 1809 for x64-based Systems",
            "Windows 10 Version 21H2 for 32-bit Systems",
            "Windows 10 Version 21H2 for ARM64-based Systems",
            "Windows 10 Version 21H2 for x64-based Systems",
            "Windows 10 Version 22H2 for 32-bit Systems",
            "Windows 10 Version 22H2 for ARM64-based Systems",
            "Windows 10 Version 22H2 for x64-based Systems",
            "Windows Server 2019",
            "Windows Server 2019 (Server Core installation)",
            "Windows Server 2022",
            "Windows Server 2022 (Server Core installation)"
          ],
          "versions": [
            {
              "version": "4.8.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 3.5 AND 4.8.1",
          "platforms": [
            "Windows 10 Version 21H2 for 32-bit Systems",
            "Windows 10 Version 21H2 for ARM64-based Systems",
            "Windows 10 Version 21H2 for x64-based Systems",
            "Windows 10 Version 22H2 for 32-bit Systems",
            "Windows 10 Version 22H2 for ARM64-based Systems",
            "Windows 10 Version 22H2 for x64-based Systems",
            "Windows 11 Version 23H2 for ARM64-based Systems",
            "Windows 11 Version 23H2 for x64-based Systems",
            "Windows 11 Version 24H2 for ARM64-based Systems",
            "Windows 11 Version 24H2 for x64-based Systems",
            "Windows 11 Version 25H2 for ARM64-based Systems",
            "Windows 11 Version 25H2 for x64-based Systems",
            "Windows Server 2022",
            "Windows Server 2022 (Server Core installation)"
          ],
          "versions": [
            {
              "version": "4.8.1",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2",
          "platforms": [
            "Windows Server 2012",
            "Windows Server 2012 (Server Core installation)",
            "Windows Server 2012 R2",
            "Windows Server 2012 R2 (Server Core installation)"
          ],
          "versions": [
            {
              "version": "4.7.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "4.7.4143.0"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 4.8",
          "platforms": [
            "Windows 10 Version 1607 for 32-bit Systems",
            "Windows 10 Version 1607 for x64-based Systems",
            "Windows Server 2012",
            "Windows Server 2012 (Server Core installation)",
            "Windows Server 2012 R2",
            "Windows Server 2012 R2 (Server Core installation)",
            "Windows Server 2016",
            "Windows Server 2016 (Server Core installation)"
          ],
          "versions": [
            {
              "version": "4.8.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "4.8.4803.0"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft .NET Framework 4.8.1",
          "platforms": [
            "Windows 11 Version 26H1 for ARM64-based Systems",
            "Windows 11 version 26H1 for x64-based Systems"
          ],
          "versions": [
            {
              "version": "4.8.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "4.8.9340.0"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1607",
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.14393.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.14393.9339"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1809",
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.17763.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.17763.9020"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2012 R2",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "6.3.9600.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "6.3.9600.23291"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2012 R2 (Server Core installation)",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "6.3.9600.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "6.3.9600.23291"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2016",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.14393.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.14393.9339"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2016 (Server Core installation)",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.14393.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.14393.9339"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2019",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.17763.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.17763.9020"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2019 (Server Core installation)",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.17763.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.17763.9020"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2022",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.20348.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.20348.5386"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2025",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.26100.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.26100.33158"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server 2025 (Server Core installation)",
          "platforms": [
            "x64-based Systems"
          ],
          "versions": [
            {
              "version": "10.0.26100.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "10.0.26100.33158"
            }
          ]
        }
      ]
    }
  }
}