CVE-2026-23666
published 2026-04-14CVE-2026-23666: Improper input validation in .NET Framework allows an unauthorized attacker to deny service over a network.
high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
Improper input validation in .NET Framework allows an unauthorized attacker to deny service over a network.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_net_framework_3.5 | >= 3.5.0 < 2.0.50727.8982 & 3.0.30729.8976 | 2.0.50727.8982 & 3.0.30729.8976 |
| microsoft | microsoft_net_framework_3.5_and_4.7.2 | >= 4.7.0 < 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0 | 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0 |
| microsoft | microsoft_net_framework_3.5_and_4.8 | >= 4.8.0 < 2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0 | 2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0 |
| microsoft | microsoft_net_framework_3.5_and_4.8.1 | >= 4.8.1 < 2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 | 2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0 |
| microsoft | microsoft_net_framework_4.6.2_4.7_4.7.1_4.7.2 | >= 4.7.0 < 4.8.4801.0 | 4.8.4801.0 |
| microsoft | microsoft_net_framework_4.8 | >= 4.8.0 < 4.8.4801.0 | 4.8.4801.0 |
| microsoft | net_framework | — | — |
| microsoft | net_framework | — | — |
| microsoft | net_framework | — | — |
| microsoft | net_framework | — | — |
| microsoft | net_framework | — | — |
| microsoft | net_framework | — | — |
| microsoft | net_framework | — | — |