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CVE-2026-50355

🗓️ 14 Jul 2026 17:06:53Reported by microsoftType 
cve
 cve🔗 web.nvd.nist.gov👁 22 Views

CVE-2026-50355 describes a denial of service in Windows Active Directory Federation Services.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-50355
14 Jul 202617:06
–attackerkb
bdu_fstec
BDU FSTEC		The vulnerability of the Active Directory Federation Services (ADFS) for Windows operating systems allows a perpetrator to induce a service failure.
22 Jul 202600:00
–bdu_fstec
circl
Circl		CVE-2026-50355
14 Jul 202619:01
–circl
cvelist
Cvelist		CVE-2026-50355 Windows Active Directory Federation Services Denial of Service Vulnerability
14 Jul 202617:06
–cvelist
euvd
EUVD		EUVD-2026-43906
14 Jul 202618:32
–euvd
mskb
Microsoft KB		July 14, 2026—KB5099444 (Monthly Rollup)
14 Jul 202614:00
–mskb
mskb
Microsoft KB		July 14, 2026—KB5099445 (Monthly Rollup)
14 Jul 202614:00
–mskb
mskb
Microsoft KB		July 14, 2026—KB5099535 (OS Build 14393.9339)
14 Jul 202614:00
–mskb
mskb
Microsoft KB		July 14, 2026—KB5099538 (OS Build 17763.9020)
14 Jul 202614:00
–mskb
mskb
Microsoft KB		July 14, 2026—KB5099540 (OS Build 20348.5386)
14 Jul 202614:00
–mskb
Rows per page
NVD
Vulners
CNA
Node
OR
microsoftwindows_10_1607Range<10.0.14393.9339x64
microsoftwindows_10_1607Range<10.0.14393.9339x86
microsoftwindows_10_1809Range<10.0.17763.9020x64
microsoftwindows_10_1809Range<10.0.17763.9020x86
microsoftwindows_server_2012Match-
microsoftwindows_server_2012Matchr2
microsoftwindows_server_2016Range<10.0.14393.9339
microsoftwindows_server_2019Range<10.0.17763.9020
microsoftwindows_server_2022Range<10.0.20348.5386
microsoftwindows_server_2025Range<10.0.26100.33158
Node
AND
microsoft.net_frameworkMatch4.8.1
OR
microsoftwindows_11_26h1Match-arm64
microsoftwindows_11_26h1Match-x64
Node
AND
microsoft.net_frameworkMatch4.8
OR
microsoftwindows_10_1607Match-x64
microsoftwindows_10_1607Match-x86
microsoftwindows_server_2012Match-
microsoftwindows_server_2012Matchr2
microsoftwindows_server_2016Match-
Node
AND
OR
microsoft.net_frameworkMatch4.6.2
microsoft.net_frameworkMatch4.7
microsoft.net_frameworkMatch4.7.1
microsoft.net_frameworkMatch4.7.2
OR
microsoftwindows_server_2012Match-
microsoftwindows_server_2012Matchr2
Node
AND
OR
microsoft.net_frameworkMatch3.5-
microsoft.net_frameworkMatch4.8.1
OR
microsoftwindows_10_21h2Match-arm64
microsoftwindows_10_21h2Match-x64
microsoftwindows_10_21h2Match-x86
microsoftwindows_10_22h2Match-arm64
microsoftwindows_10_22h2Match-x64
microsoftwindows_10_22h2Match-x86
microsoftwindows_11_23h2Match-arm64
microsoftwindows_11_23h2Match-x64
microsoftwindows_11_24h2Match-arm64
microsoftwindows_11_24h2Match-x64
microsoftwindows_11_25h2Match-arm64
microsoftwindows_11_25h2Match-x64
microsoftwindows_server_2022Match-
Node
AND
OR
microsoft.net_frameworkMatch3.5-
microsoft.net_frameworkMatch4.8
OR
microsoftwindows_10_1809Match-x64
microsoftwindows_10_1809Match-x86
microsoftwindows_10_21h2Match-arm64
microsoftwindows_10_21h2Match-x64
microsoftwindows_10_21h2Match-x86
microsoftwindows_10_22h2Match-arm64
microsoftwindows_10_22h2Match-x64
microsoftwindows_10_22h2Match-x86
microsoftwindows_server_2019Match-
microsoftwindows_server_2022Match-
Node
AND
OR
microsoft.net_frameworkMatch3.5-
microsoft.net_frameworkMatch4.7.2
OR
microsoftwindows_10_1607Match-x64
microsoftwindows_10_1607Match-x86
microsoftwindows_10_1809Match-x64
microsoftwindows_10_1809Match-x86
microsoftwindows_server_2016Match-
microsoftwindows_server_2019Match-
[
  {
    "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)",
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    ],
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        "status": "affected"
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    ]
  },
  {
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    "product": "Microsoft .NET Framework 3.5 AND 4.8",
    "platforms": [
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      "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",
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    ],
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      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft .NET Framework 3.5 AND 4.8.1",
    "platforms": [
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      "Windows 10 Version 21H2 for ARM64-based Systems",
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      "Windows 11 Version 23H2 for ARM64-based Systems",
      "Windows 11 Version 23H2 for x64-based Systems",
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  {
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  {
    "vendor": "Microsoft",
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  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025",
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  },
  {
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    "versions": [
      {
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        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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03 Aug 2026 22:55Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.5
EPSS0.01074
SSVC
CWE-121
Active DirectoryFederation ServicesDenial of ServiceVulnerability
22