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CVE-2025-30399

Good to know:

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Date: June 12, 2025

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0 and .NET 9.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. An attacker could exploit this vulnerability by placing files in particular locations, leading to unintended code execution.

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2025-30399
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30399
https://github.com/dotnet/runtime/security/advisories/GHSA-266m-wp2v-x7mq
https://github.com/dotnet/runtime/issues/116495
https://github.com/dotnet/runtime
https://www.cve.org/CVERecord?id=CVE-2025-30399
https://www.mend.io/vulnerability-database/CVE-2025-30399

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

Untrusted Search Path

CWE-426

Top Fix

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Upgrade Version

Upgrade to version Microsoft.NETCore.App.Runtime.linux-arm - 8.0.17;Microsoft.NETCore.App.Runtime.linux-arm - 9.0.6;Microsoft.NETCore.App.Runtime.linux-arm64 - 8.0.17;Microsoft.NETCore.App.Runtime.linux-arm64 - 9.0.6;Microsoft.NETCore.App.Runtime.linux-musl-arm - 8.0.17;Microsoft.NETCore.App.Runtime.linux-musl-arm - 9.0.6;Microsoft.NETCore.App.Runtime.linux-musl-arm64 - 8.0.17;Microsoft.NETCore.App.Runtime.linux-musl-arm64 - 9.0.6;Microsoft.NETCore.App.Runtime.linux-musl-x64 - 8.0.17;Microsoft.NETCore.App.Runtime.linux-musl-x64 - 9.0.6;Microsoft.NETCore.App.Runtime.linux-x64 - 8.0.17;Microsoft.NETCore.App.Runtime.linux-x64 - 9.0.6;Microsoft.NETCore.App.Runtime.osx-arm64 - 8.0.17;Microsoft.NETCore.App.Runtime.osx-arm64 - 9.0.6;Microsoft.NETCore.App.Runtime.osx-x64 - 8.0.17;Microsoft.NETCore.App.Runtime.osx-x64 - 9.0.6;Microsoft.NETCore.App.Runtime.win-arm - 8.0.17;Microsoft.NETCore.App.Runtime.win-arm - 9.0.6;Microsoft.NETCore.App.Runtime.win-arm64 - 8.0.17;Microsoft.NETCore.App.Runtime.win-arm64 - 9.0.6;Microsoft.NETCore.App.Runtime.win-x64 - 8.0.17;Microsoft.NETCore.App.Runtime.win-x64 - 9.0.6;Microsoft.NETCore.App.Runtime.win-x86 - 8.0.17;Microsoft.NETCore.App.Runtime.win-x86 - 9.0.6;microsoft.netcore.app.runtime.linux-arm - 9.0.6;microsoft.netcore.app.runtime.linux-arm - 8.0.17;microsoft.netcore.app.runtime.linux-arm64 - 9.0.6;microsoft.netcore.app.runtime.linux-arm64 - 8.0.17;microsoft.netcore.app.runtime.linux-musl-arm - 9.0.6;microsoft.netcore.app.runtime.linux-musl-arm - 8.0.17;microsoft.netcore.app.runtime.linux-musl-arm64 - 9.0.6;microsoft.netcore.app.runtime.linux-musl-arm64 - 8.0.17;microsoft.netcore.app.runtime.linux-musl-x64 - 9.0.6;microsoft.netcore.app.runtime.linux-musl-x64 - 8.0.17;microsoft.netcore.app.runtime.linux-x64 - 9.0.6;microsoft.netcore.app.runtime.linux-x64 - 8.0.17;microsoft.netcore.app.runtime.osx-arm64 - 9.0.6;microsoft.netcore.app.runtime.osx-arm64 - 8.0.17;microsoft.netcore.app.runtime.osx-x64 - 9.0.6;microsoft.netcore.app.runtime.osx-x64 - 8.0.17;microsoft.netcore.app.runtime.win-arm64 - 9.0.6;microsoft.netcore.app.runtime.win-arm64 - 8.0.17;microsoft.netcore.app.runtime.win-x64 - 9.0.6;microsoft.netcore.app.runtime.win-x64 - 8.0.17;microsoft.netcore.app.runtime.win-x86 - 9.0.6;microsoft.netcore.app.runtime.win-x86 - 8.0.17

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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