7.5
High
CVE-2026-70179 Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network
Description
Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| 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 |
| Microsoft.AspNetCore.Authentication.Negotiate 10.0 | 10.0.0 → < 10.0.13 | 10.0.13 |
References
- ASP.NET Core Elevation of Privilege Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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