8.8
High
CVE-2026-47300 Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges…
Description
Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| .NET 10.0 10.0 | 10.0.0 → < 10.0.10 | 10.0.10 |
| .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 Visual Studio 2022 version 17.12 17.12 | 17.12.0 → < 17.12.22 | 17.12.22 |
| 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 10.0 runtime 10.0 | 10.0.0 → < 10.0.10 | 10.0.10 |
| .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 |
References
- ASP.NET Core Elevation of Privilege Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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