Remote Code Execution Vulnerability in .NET and Visual Studio
CVE-2025-30399

7.5HIGH

Key Information:

Vendor

Microsoft
Status
.net 8.0
.net 9.0
Microsoft Visual Studio 2022 Version 17.12
Microsoft Visual Studio 2022 Version 17.8
Vendor
CVE Published:
13 June 2025

What is CVE-2025-30399?

A security issue exists in .NET and Visual Studio due to an untrusted search path that permits an unauthorized attacker to execute arbitrary code over a network. This vulnerability can lead to significant security risks if exploited, allowing malicious actors to potentially compromise systems and access sensitive information.

Affected Version(s)

.NET 8.0 Unknown 8.0.0 < 8.0.17

.NET 9.0 Unknown 9.0.0 < 9.0.6

Microsoft Visual Studio 2022 version 17.10 Unknown 17.10.0 < 17.10.16

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

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CVE-2025-30399 : Remote Code Execution Vulnerability in .NET and Visual Studio