CVE-2026-96238
Medium
Description
Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.
SeverityMedium
CVSS6.5
Exploit probability—
Product
.NET 10.0 runtime
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-346CWE-346
How to fix
Update
- Microsoft .NET 10.0 runtime10.0.113 or later
- Microsoft .NET 11.0 runtime11.0.100-rc.2 or later
- Microsoft .NET 8.0 runtime8.0.426 or later
- Microsoft .NET 9.0 runtime9.0.122 or later
- Microsoft Microsoft Visual Studio 2022 version 17.1417.14.42 or later
- Microsoft Microsoft Visual Studio 2026 version 18.1018.10.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft .NET 10.0 runtime | 10.0.0 ≤ v < 10.0.113 | 10.0.113 |
| Microsoft .NET 11.0 runtime | 11.0.0 ≤ v < 11.0.100-rc.2 | 11.0.100-rc.2 |
| Microsoft .NET 8.0 runtime | 8.0.0 ≤ v < 8.0.426 | 8.0.426 |
| Microsoft .NET 9.0 runtime | 9.0.0 ≤ v < 9.0.122 | 9.0.122 |
| Microsoft Microsoft Visual Studio 2022 version 17.14 | 17.14.0 ≤ v < 17.14.42 | 17.14.42 |
| Microsoft Microsoft Visual Studio 2026 version 18.10 | 18.10.0 ≤ v < 18.10.4 | 18.10.4 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.