# CVE-2026-70165: .NET Elevation of Privilege Vulnerability

CVE-2026-70165 is fixed in 2 products on 2 platforms, first by KB5130036, released October 13, 2026. 2 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-2026-70165
- Priority: Routine
- CVSS: 6.7 (Important)
- EPSS: 0.0038
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Oct 13, 2026
- Weakness: Improper Link Resolution Before File Access ('Link Following')
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70165

## Description

<p>Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | .NET 10.0 runtime installed on Windows |  | [KB5130036](https://patchblox.com/security/data/fix/microsoft/kb5130036.md) | Oct 13, 2026 |
| Microsoft | .NET 9.0 runtime installed on Windows |  | [KB5130035](https://patchblox.com/security/data/fix/microsoft/kb5130035.md) | Oct 13, 2026 |

## No fix yet

| Platform | Product | Status |
|---|---|---|
| Windows apps | Microsoft .NET Windows Desktop Runtime 10.0 | no-fix |
| Windows apps | Microsoft ASP.NET Core Hosting Bundle 10.0 | 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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