CVE-2026-50526 Details
Description
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to perform tampering locally.
A vulnerability exists in .NET due to improper link resolution before file access, commonly referred to as 'link following'. This flaw allows an authorized attacker to manipulate files locally. The issue is present in .NET 8.0, 9.0, and 10.0, across Windows, Mac OS, and Linux platforms, as well as in Microsoft Visual Studio 2022 versions 17.12 and 17.14, and Visual Studio 2026 version 18.7.
Users can download the security update for .NET 8.0, 9.0, and 10.0 from the .NET website. Microsoft Visual Studio users can download the security update from the Visual Studio download center. Specific knowledge base articles are available for each product version to provide additional guidance.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50526 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-345 | Insufficient Verification of Data Authenticity | [email protected] |
| CWE-59 | Improper Link Resolution Before File Access ('Link Following') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft .net | >= 8.0.0, < 8.0.29 >= 9.0.0, < 9.0.18 >= 10.0.0, < 10.0.6 |
CPE
Remediation
| |
| apple macos | All versions |
CPE
Remediation
| |
| linux linux kernel | All versions |
CPE
Remediation
| |
| microsoft windows | All versions |
CPE
Remediation
| |
| microsoft visual studio 2022 | >= 17.12.0, < 17.12.22 >= 17.14.0, < 17.14.36 |
CPE
Remediation
| |
| microsoft visual studio 2026 | >= 18.7.0, < 18.7.4 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Modified | [email protected] |
| Jul 22, 2026 | Initial Analysis | [email protected] |
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 14, 2026 | New CVE Received | [email protected] |