# CVE-2026-62902: .NET Information Disclosure Vulnerability

CVE-2026-62902 is fixed in 3 products on 2 platforms, first by Microsoft .NET Windows Desktop Runtime 8.0 8.0.30, released July 23, 2026. 3 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-62902
- Priority: Routine
- CVSS: 6.5 (Important)
- EPSS: 0.0087
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Aug 11, 2026
- Weakness: Inclusion of Functionality from Untrusted Control Sphere
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62902

## Description

<p>Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | .NET 8.0 runtime installed on Windows |  | [KB5122104](https://patchblox.com/security/data/fix/microsoft/kb5122104.md) | Aug 11, 2026 |
| Microsoft | .NET 9.0 runtime installed on Windows |  | [KB5122105](https://patchblox.com/security/data/fix/microsoft/kb5122105.md) | Aug 11, 2026 |
| Windows apps | Microsoft .NET Windows Desktop Runtime 8.0 | 8.0.30 | [Microsoft .NET Windows Desktop Runtime 8.0 8.0.30](https://patchblox.com/security/data/fix/windows-app/microsoft.dotnet.desktopruntime.8-8.0.30.md) | Jul 23, 2026 |

## No fix yet

| Platform | Product | Status |
|---|---|---|
| Windows apps | Microsoft Windows Desktop Runtime - 8.0.25 (arm64) | no-fix |
| Windows apps | Microsoft Windows Desktop Runtime - 8.0.25 (x64) | no-fix |
| Windows apps | Microsoft Windows Desktop Runtime - 8.0.25 (x86) | no-fix |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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