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CVE-2026-21218 Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network

Description

Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network.

Produits et versions touchés

Produit	Versions touchées	Corrigé en
.NET 10.0 10.0	10.0.0 → < 10.0.3	10.0.3
.NET 8.0 8.0	8.0.0 → < 8.0.24	8.0.24
.NET 9.0 9.0	9.0.0 → < 9.0.13	9.0.13

Références

.NET Spoofing Vulnerability msrc.microsoft.com

Chronologie

Publiée 10 février 2026
Dernière modification 19 août 2026

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