7.5

CVE-2026-21218

.NET Spoofing Vulnerability

Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ .Net Version >= 8.0.0 < 8.0.24
   Apple ≫ macOS Version-
   Linux ≫ Linux Kernel Version-
   Microsoft ≫ Windows Version-
Microsoft ≫ .Net Version >= 9.0.0 < 9.0.13
   Apple ≫ macOS Version-
   Linux ≫ Linux Kernel Version-
   Microsoft ≫ Windows Version-
Microsoft ≫ .Net Version >= 10.0.0 < 10.0.3
   Apple ≫ macOS Version-
   Linux ≫ Linux Kernel Version-
   Microsoft ≫ Windows Version-
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.05% 0.136
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE-166 Improper Handling of Missing Special Element

The product receives input from an upstream component, but it does not handle or incorrectly handles when an expected special element is missing.