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CVE-2026-47300

🗓️ 14 Jul 2026 18:20:12Reported by microsoftType 
cve
 cve🔗 web.nvd.nist.gov👁 7 Views

Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-47300
14 Jul 202618:20
–attackerkb
Circl		CVE-2026-47300
14 Jul 202619:01
–circl
Cvelist		CVE-2026-47300 ASP.NET Core Elevation of Privilege Vulnerability
14 Jul 202618:20
–cvelist
EUVD		EUVD-2026-44342
14 Jul 202618:20
–euvd
Microsoft KB		.NET 8.0 Update - July 14, 2026
14 Jul 202614:00
–mskb
Microsoft KB		.NET 9.0 Update - July 14, 2026
14 Jul 202614:00
–mskb
Microsoft KB		.NET 10.0 Update - July 14, 2026
14 Jul 202614:00
–mskb
Microsoft CVE		ASP.NET Core Elevation of Privilege Vulnerability
14 Jul 202614:00
–mscve
NCSC		vulnerabilities handled in Microsoft Developer Tools
14 Jul 202618:37
–ncsc
NVD		CVE-2026-47300
14 Jul 202619:17
–nvd
Rows per page
Vulners
CNA
Node
microsoft.net_frameworkRange10.0.0–10.0.6
Node
microsoft.net_frameworkRange8.0.0–8.0.29
Node
microsoft.net_frameworkRange9.0.0–9.0.18
Node
microsoftvisual_studio_2022Range17.12.0–17.12.22
Node
microsoftvisual_studio_2022Range17.14.0–17.14.36
Node
microsoftvisual_studio_2026Range18.0–18.7.4
[
  {
    "vendor": "Microsoft",
    "product": ".NET 10.0",
    "versions": [
      {
        "version": "10.0.0",
        "lessThan": "10.0.6",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 8.0",
    "versions": [
      {
        "version": "8.0.0",
        "lessThan": "8.0.29",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": ".NET 9.0",
    "versions": [
      {
        "version": "9.0.0",
        "lessThan": "9.0.18",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.12",
    "versions": [
      {
        "version": "17.12.0",
        "lessThan": "17.12.22",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.14",
    "versions": [
      {
        "version": "17.14.0",
        "lessThan": "17.14.36",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2026 version 18.7",
    "versions": [
      {
        "version": "18.0",
        "lessThan": "18.7.4",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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14 Jul 2026 20:35Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.18.8
CWE-303
7