CVE-2026-21218

—

CVSS 3.1

7.5 high

EPSS

1%p62

Published

Feb 10, 2026 (Feb 10, 2026)

Modified

Jun 17, 2026

Description

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

Vendors: microsoft
Products: .net
Weakness: CWE-166
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.0%)

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