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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-21218

.NET Spoofing Vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
microsoft

Description

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft .NET 10.0

  • 10.0.0 to < 10.0.3affected

Microsoft .NET 8.0

  • 8.0.0 to < 8.0.24affected

Microsoft .NET 9.0

  • 9.0.0 to < 9.0.13affected

References