CVE-2026-105544
HIGHCVSS 7.5/10EPSS 0.34%
Last modified
CVE-2026-105544 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Improper access control in .NET allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
Improper access control in .NET allows an authorized attacker to elevate privileges locally.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .NET 10.0 installed on Linux | >= 10.0.0, < 10.0.404 |
| Microsoft | .NET 10.0 installed on Mac OS | >= 10.0.0, < 10.0.404 |
| Microsoft | .NET 10.0 installed on Windows | >= 10.0.0, < 10.0.404 |
| Microsoft | .NET 11.0 installed on Linux | >= 11.0.0-preview.1, < 11.0.100 |
| Microsoft | .NET 11.0 installed on Mac OS | >= 11.0.0-preview.1, < 11.0.100 |
| Microsoft | .NET 11.0 installed on Windows | >= 11.0.0-preview.1, < 11.0.100 |
| Microsoft | .NET 8.0 installed on Linux | >= 8.0.0, < 8.0.428 |
| Microsoft | .NET 8.0 installed on Mac OS | >= 8.0.0, < 8.0.428 |
| Microsoft | .NET 8.0 installed on Windows | >= 8.0.0, < 8.0.428 |
| Microsoft | .NET 9.0 installed on Linux | >= 9.0.0, < 9.0.321 |
| Microsoft | .NET 9.0 installed on Mac OS | >= 9.0.0, < 9.0.321 |
| Microsoft | .NET 9.0 installed on Windows | >= 9.0.0, < 9.0.321 |
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | >= 17.14.0, < 17.14.45 |
| Microsoft | Microsoft Visual Studio 2026 version 18.11 | >= 18.11.0, < 18.11.4 |
| Microsoft | Microsoft Visual Studio 2026 version 18.12 | >= 18.12.0, < 18.12.0 |
| Microsoft | Microsoft.TestPlatform.CLI version 17.10.0 | >= 17.10.0, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.10.0-preview-24080-01 | >= 17.10.0-preview-24080-01, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.10.0-release-24177-07 | >= 17.10.0-release-24177-07, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.11 | >= 17.11.0, < 17.11.2 |
| Microsoft | Microsoft.TestPlatform.CLI version 17.11.0-release-24352-06 | >= 17.11.0-release-24352-06, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.11.0-release-24373-02 | >= 17.11.0-release-24373-02, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.12 | >= 17.12.0, < 17.12.1 |
| Microsoft | Microsoft.TestPlatform.CLI version 17.13.0 | >= 17.13.0, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.14 | >= 17.14.0, < 17.14.2 |
| Microsoft | Microsoft.TestPlatform.CLI version 17.14.0-preview-25107-01 | >= 17.14.0-preview-25107-01, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.3 | >= 17.2.0-preview-20220301-01, < 17.3.4 |
| Microsoft | Microsoft.TestPlatform.CLI version 17.3.0-preview-20220426-02 | >= 17.3.0-preview-20220426-02, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.3.0-preview-20220530-08 | >= 17.3.0-preview-20220530-08, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.3.0-preview-20220612-01 | >= 17.3.0-preview-20220612-01, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.4.0 | >= 17.4.0, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.4.0-preview-20220707-01 | >= 17.4.0-preview-20220707-01, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.4.0-preview-20220726-02 | >= 17.4.0-preview-20220726-02, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.4.0-preview-20221003-03 | >= 17.4.0-preview-20221003-03, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.4.0-release-20220926-01 | >= 17.4.0-release-20220926-01, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.4.1 | >= 17.4.1, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.5.0 | >= 17.5.0, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.5.0-preview-20221003-04 | >= 17.5.0-preview-20221003-04, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.5.0-preview-20221221-03 | >= 17.5.0-preview-20221221-03, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.6.0 | >= 17.6.0, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.6.0-preview-20230223-05 | >= 17.6.0-preview-20230223-05, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.6.1 | >= 17.6.1, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.6.2 | >= 17.6.2, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.6.3 | >= 17.6.3, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.7.0 | >= 17.7.0, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.7.0-preview-23364-03 | >= 17.7.0-preview-23364-03, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.7.0-preview.23280.1 | >= 17.7.0-preview.23280.1, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.7.1 | >= 17.7.1, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.7.2 | >= 17.7.2, < publication |
| Microsoft | Microsoft.TestPlatform.CLI version 17.8 | >= 17.8.0, < 17.8.1 |
| Microsoft | Microsoft.TestPlatform.CLI version 17.8.0-preview-23371-04 | >= 17.8.0-preview-23371-04, < publication |
Showing 50 of 69 affected configurations. See the CNA advisory for the full list.
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-105544?
Improper access control in .NET allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-105544?
CVE-2026-105544 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2026-105544?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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