7.8
High
CVE-2026-50646 Protection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally
Description
Protection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| .NET 8.0 8.0 | 8.0.0 → < 8.0.29 | 8.0.29 |
| .NET 9.0 9.0 | 9.0.0 → < 9.0.18 | 9.0.18 |
| Microsoft .NET Framework 3.5 3.5 | 3.5.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.7.2 4.7 | 4.7.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.8 4.8 | 4.8.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.8.1 4.8 | 4.8.1 → latest | No fix stated |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7 | 4.7.0 → < 4.7.4143.0 | 4.7.4143.0 |
| Microsoft .NET Framework 4.8 4.8 | 4.8.0 → < 4.8.4803.0 | 4.8.4803.0 |
| Microsoft Visual Studio 2022 version 17.12 17.12 | 17.12.0 → < 17.12.22 | 17.12.22 |
Show the 4 other branches Hide the 4 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Visual Studio 2022 version 17.14 17.14 | 17.14.0 → < 17.14.36 | 17.14.36 |
| Microsoft Visual Studio 2026 version 18.7 18.0 | 18.0 → < 18.7.4 | 18.7.4 |
| .NET 8.0 runtime 8.0 | 8.0.0 → < 8.0.29 | 8.0.29 |
| .NET 9.0 runtime 9.0 | 9.0.0 → < 9.0.18 | 9.0.18 |
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