CVE-2026-21218

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-166

Affected software

No affected versions have been published.

Timeline

Published
Feb 10, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-21218: High severity, CVSS 7.5 | Vulnix