7.5

CVE-2026-50647

Active Directory Federation Server Denial of Service Vulnerability

Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1607 HwPlatform x64 Version < 10.0.14393.9339
Microsoft ≫ Windows 10 1607 HwPlatform x86 Version < 10.0.14393.9339
Microsoft ≫ Windows 10 1809 HwPlatform x64 Version < 10.0.17763.9020
Microsoft ≫ Windows 10 1809 HwPlatform x86 Version < 10.0.17763.9020
Microsoft ≫ Windows 10 21h2 HwPlatform arm64 Version < 10.0.19044.7548
Microsoft ≫ Windows 10 21h2 HwPlatform x64 Version < 10.0.19044.7548
Microsoft ≫ Windows 10 21h2 HwPlatform x86 Version < 10.0.19044.7548
Microsoft ≫ Windows 10 22h2 HwPlatform arm64 Version < 10.0.19045.7548
Microsoft ≫ Windows 10 22h2 HwPlatform x64 Version < 10.0.19045.7548
Microsoft ≫ Windows 10 22h2 HwPlatform x86 Version < 10.0.19045.7548
Microsoft ≫ Windows 11 24h2 HwPlatform arm64 Version < 10.0.26100.8875
Microsoft ≫ Windows 11 24h2 HwPlatform x64 Version < 10.0.26100.8875
Microsoft ≫ Windows 11 25h2 HwPlatform arm64 Version < 10.0.26200.8875
Microsoft ≫ Windows 11 25h2 HwPlatform x64 Version < 10.0.26200.8875
Microsoft ≫ Windows 11 26h1 HwPlatform arm64 Version < 10.0.28000.2525
Microsoft ≫ Windows 11 26h1 HwPlatform x64 Version < 10.0.28000.2525
Microsoft ≫ Windows Server 2016 Version < 10.0.14393.9339
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.9020
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.5386
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.33158
Microsoft ≫ .Net Framework Version 4.8.1
   Microsoft ≫ Windows 11 26h1 Version - HwPlatform arm64
   Microsoft ≫ Windows 11 26h1 Version - HwPlatform x64
Microsoft ≫ .Net Framework Version 4.8
   Microsoft ≫ Windows 10 1607 Version - HwPlatform x64
   Microsoft ≫ Windows 10 1607 Version - HwPlatform x86
   Microsoft ≫ Windows Server 2012 Version -
   Microsoft ≫ Windows Server 2012 Version r2
   Microsoft ≫ Windows Server 2016 Version -
Microsoft ≫ .Net Framework Version 4.6.2
   Microsoft ≫ Windows Server 2012 Version -
   Microsoft ≫ Windows Server 2012 Version r2
Microsoft ≫ .Net Framework Version 4.7
   Microsoft ≫ Windows Server 2012 Version -
   Microsoft ≫ Windows Server 2012 Version r2
Microsoft ≫ .Net Framework Version 4.7.1
   Microsoft ≫ Windows Server 2012 Version -
   Microsoft ≫ Windows Server 2012 Version r2
Microsoft ≫ .Net Framework Version 4.7.2
   Microsoft ≫ Windows Server 2012 Version -
   Microsoft ≫ Windows Server 2012 Version r2
Microsoft ≫ .Net Framework Version 3.5 Update -
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform x64
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform x86
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform x64
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform x86
   Microsoft ≫ Windows 11 23h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 11 23h2 Version - HwPlatform x64
   Microsoft ≫ Windows 11 24h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 11 24h2 Version - HwPlatform x64
   Microsoft ≫ Windows 11 25h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 11 25h2 Version - HwPlatform x64
   Microsoft ≫ Windows Server 2022 Version -
Microsoft ≫ .Net Framework Version 4.8.1
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform x64
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform x86
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform x64
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform x86
   Microsoft ≫ Windows 11 23h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 11 23h2 Version - HwPlatform x64
   Microsoft ≫ Windows 11 24h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 11 24h2 Version - HwPlatform x64
   Microsoft ≫ Windows 11 25h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 11 25h2 Version - HwPlatform x64
   Microsoft ≫ Windows Server 2022 Version -
Microsoft ≫ .Net Framework Version 3.5 Update -
   Microsoft ≫ Windows 10 1809 Version - HwPlatform x64
   Microsoft ≫ Windows 10 1809 Version - HwPlatform x86
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform x64
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform x86
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform x64
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform x86
   Microsoft ≫ Windows Server 2019 Version -
   Microsoft ≫ Windows Server 2022 Version -
Microsoft ≫ .Net Framework Version 4.8
   Microsoft ≫ Windows 10 1809 Version - HwPlatform x64
   Microsoft ≫ Windows 10 1809 Version - HwPlatform x86
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform x64
   Microsoft ≫ Windows 10 21h2 Version - HwPlatform x86
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform arm64
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform x64
   Microsoft ≫ Windows 10 22h2 Version - HwPlatform x86
   Microsoft ≫ Windows Server 2019 Version -
   Microsoft ≫ Windows Server 2022 Version -
Microsoft ≫ .Net Framework Version 3.5 Update -
   Microsoft ≫ Windows 10 1607 Version - HwPlatform x64
   Microsoft ≫ Windows 10 1607 Version - HwPlatform x86
   Microsoft ≫ Windows 10 1809 Version - HwPlatform x64
   Microsoft ≫ Windows 10 1809 Version - HwPlatform x86
   Microsoft ≫ Windows Server 2016 Version -
   Microsoft ≫ Windows Server 2019 Version -
Microsoft ≫ .Net Framework Version 4.7.2
   Microsoft ≫ Windows 10 1607 Version - HwPlatform x64
   Microsoft ≫ Windows 10 1607 Version - HwPlatform x86
   Microsoft ≫ Windows 10 1809 Version - HwPlatform x64
   Microsoft ≫ Windows 10 1809 Version - HwPlatform x86
   Microsoft ≫ Windows Server 2016 Version -
   Microsoft ≫ Windows Server 2019 Version -
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.07% 0.615
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50647
Patch
Vendor Advisory