.NET Spoofing Vulnerability
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-21218US | — | — | ||
Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network. | ||||
references
External citations — patches, advisories, analysis.
remediations (9)
- Fixed.NET 10.0 installed on Linux
10.0.3:Security Update:https://support.microsoft.com/help/5077862
https://support.microsoft.com/help/5077862 - Fixed.NET 10.0 installed on Mac OS
10.0.3:Security Update:https://support.microsoft.com/help/5077862
https://support.microsoft.com/help/5077862 - Fixed.NET 10.0 installed on Windows
10.0.3:Security Update:https://support.microsoft.com/help/5077862
https://support.microsoft.com/help/5077862 - Fixed.NET 8.0 installed on Linux
8.0.24:Security Update:https://support.microsoft.com/help/5077863
https://support.microsoft.com/help/5077863 - Fixed.NET 8.0 installed on Mac OS
8.0.24:Security Update:https://support.microsoft.com/help/5077863
https://support.microsoft.com/help/5077863 - Fixed.NET 8.0 installed on Windows
8.0.24:Security Update:https://support.microsoft.com/help/5077863
https://support.microsoft.com/help/5077863 - Fixed.NET 9.0 installed on Linux
9.0.13:Security Update:https://support.microsoft.com/help/5077864
https://support.microsoft.com/help/5077864 - Fixed.NET 9.0 installed on Mac OS
9.0.13:Security Update:https://support.microsoft.com/help/5077864
https://support.microsoft.com/help/5077864 - Fixed.NET 9.0 installed on Windows
9.0.13:Security Update:https://support.microsoft.com/help/5077864
https://support.microsoft.com/help/5077864
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