8.8
High
CVE-2026-70174 Improperly implemented security check for standard in .NET allows an unauthorized attacker to execute code over a…
Description
Improperly implemented security check for standard in .NET allows an unauthorized attacker to execute code over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| .NET 10.0 10.0 | 10.0.0 → < 10.0.13 | 10.0.13 |
| .NET 11.0 11.0 | earliest → < 11.0.0-rc.2 | 11.0.0-rc.2 |
| .NET 8.0 8.0 | 8.0.0 → < 8.0.32 | 8.0.32 |
| .NET 9.0 9.0 | 9.0.0 → < 9.0.21 | 9.0.21 |
| Microsoft .NET Framework 3.5 3.5 | 3.5.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 3.0 | 3.0.0.0 → 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 |
Show the 9 other branches Hide the 9 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7 | 4.7.0 → < 4.7.4150.0 | 4.7.4150.0 |
| Microsoft .NET Framework 4.8 4.8 | 4.8.0 → < 4.8.4811.0 | 4.8.4811.0 |
| Microsoft .NET Framework 4.8.1 4.8 | 4.8.0.0 → < 4.8.9363.0 | 4.8.9363.0 |
| Microsoft Visual Studio 2022 version 17.14 17.14 | 17.14.0 → < 17.14.42 | 17.14.42 |
| Microsoft Visual Studio 2026 version 18.10 18.10 | 18.10.0 → < 18.10.4 | 18.10.4 |
| .NET 10.0 runtime 10.0 | 10.0.0 → < 10.0.13 | 10.0.13 |
| .NET 11.0 runtime 11.0 | earliest → < 11.0.0-rc.2 | 11.0.0-rc.2 |
| .NET 8.0 runtime 8.0 | 8.0.0 → < 8.0.32 | 8.0.32 |
| .NET 9.0 runtime 9.0 | 9.0.0 → < 9.0.21 | 9.0.21 |
References
- .NET Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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