CVE-2026-50659
.NET Spoofing Vulnerability
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.
| Vendor | microsoft |
| Product | .net 10.0 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jul 14, 2026 |
| Last Updated | Jul 15, 2026 |
Stay Ahead of the Next One
Get instant alerts for microsoft .net 10.0
Be the first to know when new medium vulnerabilities affecting microsoft .net 10.0 are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / .NET 10.0
10.0.0 < 10.0.6
Microsoft / .NET 8.0
8.0.0 < 8.0.29
Microsoft / .NET 9.0
9.0.0 < 9.0.18
Microsoft / Microsoft .NET Framework 3.5
3.5.0 < 2.0.50727.8983 & 3.0.30729.8978
Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2
4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0
Microsoft / Microsoft .NET Framework 3.5 AND 4.8
4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0
Microsoft / Microsoft .NET Framework 3.5 AND 4.8.1
4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0
Microsoft / Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
4.7.0 < 4.7.4143.0
Microsoft / Microsoft .NET Framework 4.8
4.8.0 < 4.8.4803.0
Microsoft / Microsoft Visual Studio 2022 version 17.12
17.12.0 < 17.12.22
Microsoft / Microsoft Visual Studio 2022 version 17.14
17.14.0 < 17.14.36
Microsoft / Microsoft Visual Studio 2026 version 18.7
18.0 < 18.7.4