# Microsoft .NET elevation of privilege in access control

Source: https://junglewise.ai/threats/duplicate-advisory-microsoft-security-advisory-net-elevation-of-94435a8e  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-11  
License: CC BY 4.0 with a link back

Severity: high · CVSS 7.5 · Published 2026-11-10

This advisory is a duplicate and has been withdrawn. The original issue describes an improper access control flaw in Microsoft .NET that allows an already-authorized attacker to escalate their privileges on a local system. An exploit could give an attacker higher-level access to the affected system.

Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft), [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** High severity, with a CVSS score of 7.5, published 10 November 2026.

**Which products and versions are affected?** Microsoft TestPlatform.CLI 17.2.0-preview-20220301-01 to 17.2.x; Microsoft.TestPlatform.CLI (NuGet) >= 17.2.0-preview-20220301-01, < 17.3.0, ECOSYSTEM:introduced=17.2.0-preview-20220301-01.

**Is there a fix for This vulnerability?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is This vulnerability attacked?** It is attacked with local access, in a software library.

**Am I affected?** Check whether you run Microsoft TestPlatform.CLI or Microsoft.TestPlatform.CLI (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

Improper access control in Microsoft .NET TestPlatform.CLI allows a local authorized attacker with low privileges to escalate to higher privileges. The attack requires high complexity, low privileges, user interaction, and results in changes to system scope with impacts to confidentiality, integrity, and availability. This advisory is withdrawn as a duplicate of GHSA-6856-87hx-p5x7.

## Affected products

- Microsoft TestPlatform.CLI 17.2.0-preview-20220301-01 to 17.2.x

## Timeline

- 2026-11-10: disclosed
- 2026-11-11: other: Advisory withdrawn as duplicate of GHSA-6856-87hx-p5x7

## Related threats

- [Microsoft TestPlatform CLI privilege escalation in artifact postprocessor](https://junglewise.ai/threats/microsoft-security-advisory-net-elevation-of-privilege-vulnerability-67735607)