| Name | CVE-2026-21218 |
| Description | Improper handling of missing special element in .NET allows an unauthorized attacker to perform spoofing over a network. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
NOT-FOR-US: Microsoft