CVE-2026-62902 .NET Information Disclosure Vulnerability
An unauthorized attacker can disclose information over a network via untrusted functionality inclusion in the .NET runtime.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-62902?
CVE-2026-62902 is a medium-severity server-side request forgery vulnerability in Microsoft .Net, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network.
Which versions are affected by CVE-2026-62902?
20 open source packages ship an affected version, including Microsoft.WindowsDesktop.App.Runtime.win-arm64, dotnet and dotnet-sdk. It affects 3 products.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.WindowsDesktop.App.Runtime.win-arm64 NuGet | From 10.0.0 | 10.0.11 |
Microsoft.WindowsDesktop.App.Runtime.win-arm64 NuGet | From 10.0.0 | 10.0.11 |
Microsoft.WindowsDesktop.App.Runtime.win-arm64 NuGet | From 8.0.0 | 8.0.30 |
Microsoft.WindowsDesktop.App.Runtime.win-arm64 NuGet | From 8.0.0 | 8.0.30 |
Microsoft.WindowsDesktop.App.Runtime.win-arm64 NuGet | From 9.0.0 | 9.0.19 |
Microsoft.WindowsDesktop.App.Runtime.win-arm64 NuGet | From 9.0.0 | 9.0.19 |
14 more packages
dotnet Bitnami | From 8.0.0 | 8.0.30, 9.0.19 |
dotnet-sdk Bitnami | From 8.0.0 | 8.0.30, 9.0.19 |
Microsoft.WindowsDesktop.App.Runtime.win-x64 NuGet | From 10.0.0 | 10.0.11 |
Microsoft.WindowsDesktop.App.Runtime.win-x64 NuGet | From 10.0.0 | 10.0.11 |
Microsoft.WindowsDesktop.App.Runtime.win-x64 NuGet | From 8.0.0 | 8.0.30 |
Microsoft.WindowsDesktop.App.Runtime.win-x64 NuGet | From 8.0.0 | 8.0.30 |
Microsoft.WindowsDesktop.App.Runtime.win-x64 NuGet | From 9.0.0 | 9.0.19 |
Microsoft.WindowsDesktop.App.Runtime.win-x64 NuGet | From 9.0.0 | 9.0.19 |
Microsoft.WindowsDesktop.App.Runtime.win-x86 NuGet | From 10.0.0 | 10.0.11 |
Microsoft.WindowsDesktop.App.Runtime.win-x86 NuGet | From 10.0.0 | 10.0.11 |
Microsoft.WindowsDesktop.App.Runtime.win-x86 NuGet | From 8.0.0 | 8.0.30 |
Microsoft.WindowsDesktop.App.Runtime.win-x86 NuGet | From 8.0.0 | 8.0.30 |
Microsoft.WindowsDesktop.App.Runtime.win-x86 NuGet | From 9.0.0 | 9.0.19 |
Microsoft.WindowsDesktop.App.Runtime.win-x86 NuGet | From 9.0.0 | 9.0.19 |
Products include Microsoft .Net, Microsoft Visual Studio 2022, Microsoft Visual Studio 2026.
How do I fix CVE-2026-62902?
Upgrade Microsoft.WindowsDesktop.App.Runtime.win-arm64 to a fixed version for your release line: 10.0.11, 8.0.30 or 9.0.19.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-62902 being exploited?
There is no known exploitation of CVE-2026-62902 in the wild and no public exploit code.
Other vulnerabilities in Microsoft .Net
- CVE-2024-43498 .NET and Visual Studio Remote Code Execution Vulnerability
- CVE-2024-0057 NET, .NET Framework, and Visual Studio Security Feature Bypass Vulnerability
- CVE-2026-96957 .NET Security Feature Bypass Vulnerability
- CVE-2026-69439 .NET and Visual Studio Elevation of Privilege Vulnerability
- CVE-2026-71328 .NET and Visual Studio Remote Code Execution Vulnerability
Sources
Also known as BELL-CVE-2026-62902, BIT-dotnet-2026-62902, BIT-dotnet-sdk-2026-62902, GHSA-9mrh-pw7c-9mqm, MINI-f2rh-rphp-35jh, MINI-w5g7-5994-25mw and 1 more.