.NET and Visual Studio
CVE-2025-30399 — .NET and Visual Studio Remote Code Execution Vulnerability
Executive Summary
Untrusted search path in .NET and Visual Studio allows an unauthorized attacker to execute code over a network.
Overview
7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.5
EPSS Score
0.00922
probability of exploitation in the next 30 days
0.57227 percentile - updated 2026-08-14
View on FIRST.org
Affected Products
12 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| .NET 8.0 installed on Linux | 5061935 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 8.0 installed on Mac OS | 5061935 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 8.0 installed on Windows | 5061935 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 9.0 installed on Linux | 5061936 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 9.0 installed on Mac OS | 5061936 (Security Update) |
Important | Remote Code Execution | Maybe |
| .NET 9.0 installed on Windows | 5061936 (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2022 version 17.10 | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2022 version 17.12 | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2022 version 17.14 | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
| Microsoft Visual Studio 2022 version 17.8 | Release Notes (Security Update) |
Important | Remote Code Execution | Maybe |
| PowerShell 7.4 | Release Notes |
Important | Remote Code Execution | Maybe |
| PowerShell 7.5 | Release Notes |
Important | Remote Code Execution | Maybe |
Patches
4 patches
| Article | Type | Restart |
|---|---|---|
5061935 |
Security Update | Maybe |
5061936 |
Security Update | Maybe |
Release Notes |
Security Update | Maybe |
Release Notes |
Maybe |
Exploits & PoC
No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
jony_juice
References
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