CVE-2026-50528 Details
Description
Incorrect authorization in .NET allows an unauthorized attacker to bypass a security feature over a network.
A vulnerability in .NET has been identified that allows an unauthorized attacker to bypass authentication features over a network. This issue arises from incorrect authorization, enabling impersonation of users or processes.
Users can download the security update for this vulnerability through the Microsoft Visual Studio Update system or the .NET download page. Specific update links are available in the Microsoft Visual Studio and .NET sections of the Microsoft Security Update Guide.
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-2026-50528 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-302 | Authentication Bypass by Assumed-Immutable Data | [email protected] |
| CWE-636 | Not Failing Securely ('Failing Open') | [email protected] |
| CWE-863 | Incorrect Authorization | [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
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| linux linux kernel | All versions |
CPE
Remediation
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| microsoft windows | All versions |
CPE
Remediation
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| 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
4 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 14, 2026 | New CVE Received | [email protected] |