6.5

CVE-2026-50659

.NET Spoofing Vulnerability

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
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 Version >= 8.0.0 < 8.0.29
   Apple ≫ macOS Version -
   Linux ≫ Linux Kernel Version -
   Microsoft ≫ Windows Version -
Microsoft ≫ .Net Version >= 9.0.0 < 9.0.18
   Apple ≫ macOS Version -
   Linux ≫ Linux Kernel Version -
   Microsoft ≫ Windows Version -
Microsoft ≫ .Net Version >= 10.0.0 < 10.0.6
   Apple ≫ macOS Version -
   Linux ≫ Linux Kernel Version -
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 -
Microsoft ≫ .Net Framework Version 3.5 Update -
   Microsoft ≫ Windows 11 26h1 HwPlatform arm64
   Microsoft ≫ Windows 11 26h1 HwPlatform x64
   Microsoft ≫ Windows Server 2012 Version -
   Microsoft ≫ Windows Server 2012 Version r2
Microsoft ≫ Visual Studio 2022 Version >= 17.12.0 < 17.12.22
Microsoft ≫ Visual Studio 2022 Version >= 17.14.0 < 17.14.36
Microsoft ≫ Visual Studio 2026 Version >= 18.7.0 < 18.7.4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.55% 0.426
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE-116 Improper Encoding or Escaping of Output

The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50659
Patch
Vendor Advisory