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 Version4.8.1
   MicrosoftWindows 11 26h1 Version- HwPlatformarm64
   MicrosoftWindows 11 26h1 Version- HwPlatformx64
Microsoft.Net Framework Version4.8
   MicrosoftWindows 10 1607 Version- HwPlatformx64
   MicrosoftWindows 10 1607 Version- HwPlatformx86
   MicrosoftWindows Server 2012 Version-
   MicrosoftWindows Server 2012 Versionr2
   MicrosoftWindows Server 2016 Version-
Microsoft.Net Framework Version4.6.2
   MicrosoftWindows Server 2012 Version-
   MicrosoftWindows Server 2012 Versionr2
Microsoft.Net Framework Version4.7
   MicrosoftWindows Server 2012 Version-
   MicrosoftWindows Server 2012 Versionr2
Microsoft.Net Framework Version4.7.1
   MicrosoftWindows Server 2012 Version-
   MicrosoftWindows Server 2012 Versionr2
Microsoft.Net Framework Version4.7.2
   MicrosoftWindows Server 2012 Version-
   MicrosoftWindows Server 2012 Versionr2
Microsoft.Net Version >= 8.0.0 < 8.0.29
   ApplemacOS Version-
   LinuxLinux Kernel Version-
   MicrosoftWindows Version-
Microsoft.Net Version >= 9.0.0 < 9.0.18
   ApplemacOS Version-
   LinuxLinux Kernel Version-
   MicrosoftWindows Version-
Microsoft.Net Version >= 10.0.0 < 10.0.6
   ApplemacOS Version-
   LinuxLinux Kernel Version-
Microsoft.Net Framework Version3.5 Update-
   MicrosoftWindows 10 21h2 Version- HwPlatformarm64
   MicrosoftWindows 10 21h2 Version- HwPlatformx64
   MicrosoftWindows 10 21h2 Version- HwPlatformx86
   MicrosoftWindows 10 22h2 Version- HwPlatformarm64
   MicrosoftWindows 10 22h2 Version- HwPlatformx64
   MicrosoftWindows 10 22h2 Version- HwPlatformx86
   MicrosoftWindows 11 23h2 Version- HwPlatformarm64
   MicrosoftWindows 11 23h2 Version- HwPlatformx64
   MicrosoftWindows 11 24h2 Version- HwPlatformarm64
   MicrosoftWindows 11 24h2 Version- HwPlatformx64
   MicrosoftWindows 11 25h2 Version- HwPlatformarm64
   MicrosoftWindows 11 25h2 Version- HwPlatformx64
   MicrosoftWindows Server 2022 Version-
Microsoft.Net Framework Version4.8.1
   MicrosoftWindows 10 21h2 Version- HwPlatformarm64
   MicrosoftWindows 10 21h2 Version- HwPlatformx64
   MicrosoftWindows 10 21h2 Version- HwPlatformx86
   MicrosoftWindows 10 22h2 Version- HwPlatformarm64
   MicrosoftWindows 10 22h2 Version- HwPlatformx64
   MicrosoftWindows 10 22h2 Version- HwPlatformx86
   MicrosoftWindows 11 23h2 Version- HwPlatformarm64
   MicrosoftWindows 11 23h2 Version- HwPlatformx64
   MicrosoftWindows 11 24h2 Version- HwPlatformarm64
   MicrosoftWindows 11 24h2 Version- HwPlatformx64
   MicrosoftWindows 11 25h2 Version- HwPlatformarm64
   MicrosoftWindows 11 25h2 Version- HwPlatformx64
   MicrosoftWindows Server 2022 Version-
Microsoft.Net Framework Version3.5 Update-
   MicrosoftWindows 10 1809 Version- HwPlatformx64
   MicrosoftWindows 10 1809 Version- HwPlatformx86
   MicrosoftWindows 10 21h2 Version- HwPlatformarm64
   MicrosoftWindows 10 21h2 Version- HwPlatformx64
   MicrosoftWindows 10 21h2 Version- HwPlatformx86
   MicrosoftWindows 10 22h2 Version- HwPlatformarm64
   MicrosoftWindows 10 22h2 Version- HwPlatformx64
   MicrosoftWindows 10 22h2 Version- HwPlatformx86
   MicrosoftWindows Server 2019 Version-
   MicrosoftWindows Server 2022 Version-
Microsoft.Net Framework Version4.8
   MicrosoftWindows 10 1809 Version- HwPlatformx64
   MicrosoftWindows 10 1809 Version- HwPlatformx86
   MicrosoftWindows 10 21h2 Version- HwPlatformarm64
   MicrosoftWindows 10 21h2 Version- HwPlatformx64
   MicrosoftWindows 10 21h2 Version- HwPlatformx86
   MicrosoftWindows 10 22h2 Version- HwPlatformarm64
   MicrosoftWindows 10 22h2 Version- HwPlatformx64
   MicrosoftWindows 10 22h2 Version- HwPlatformx86
   MicrosoftWindows Server 2019 Version-
   MicrosoftWindows Server 2022 Version-
Microsoft.Net Framework Version3.5 Update-
   MicrosoftWindows 10 1607 Version- HwPlatformx64
   MicrosoftWindows 10 1607 Version- HwPlatformx86
   MicrosoftWindows 10 1809 Version- HwPlatformx64
   MicrosoftWindows 10 1809 Version- HwPlatformx86
   MicrosoftWindows Server 2016 Version-
   MicrosoftWindows Server 2019 Version-
Microsoft.Net Framework Version4.7.2
   MicrosoftWindows 10 1607 Version- HwPlatformx64
   MicrosoftWindows 10 1607 Version- HwPlatformx86
   MicrosoftWindows 10 1809 Version- HwPlatformx64
   MicrosoftWindows 10 1809 Version- HwPlatformx86
   MicrosoftWindows Server 2016 Version-
   MicrosoftWindows Server 2019 Version-
Microsoft.Net Framework Version3.5 Update-
   MicrosoftWindows 11 26h1 HwPlatformarm64
   MicrosoftWindows 11 26h1 HwPlatformx64
   MicrosoftWindows Server 2012 Version-
   MicrosoftWindows Server 2012 Versionr2
MicrosoftVisual Studio 2022 Version >= 17.12.0 < 17.12.22
MicrosoftVisual Studio 2022 Version >= 17.14.0 < 17.14.36
MicrosoftVisual Studio 2026 Version >= 18.7.0 < 18.7.4
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
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