CVE-2026-70165
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Improper Link Resolution Leading to Privilege Escalation in .NET
Vulnerability report for CVE-2026-70165, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-13
Last updated on: 2026-10-13
Assigner: Microsoft Corporation
Description
Description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Microsoft | .NET | 10.0 10.0.0 |
| Microsoft | .NET | 11.0 11.0.0 |
| Microsoft | .NET | 9.0 9.0.0 |
| Microsoft | Microsoft | Visual Studio 2022 version 17.14 17.14.0 |
| Microsoft | Microsoft | Visual Studio 2026 version 18.10 18.10.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-59 | The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. |
