.NET Framework Remote Code Execution Vulnerability Affecting Microsoft Products
CVE-2025-21176

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Visual Studio 2017 Version 15.9 (includes 15.0 - 15.8)
Microsoft Visual Studio 2019 Version 16.11 (includes 16.0 - 16.10)
Microsoft Visual Studio 2022 Version 17.6
Microsoft Visual Studio 2022 Version 17.8
Vendor
CVE Published:
14 January 2025

What is CVE-2025-21176?

This vulnerability in the .NET Framework and Visual Studio allows an attacker to execute arbitrary code on the affected systems. By exploiting this flaw, unauthorized remote entities can potentially gain access to sensitive data and control over applications, leading to severe consequences for users and organizations. Users of affected products should apply available updates promptly to mitigate the risk.

Affected Version(s)

.NET 8.0 Unknown 8.0.0 < 8.0.12

.NET 9.0 Unknown 9.0.0 < 9.0.1

Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 Windows 10 Version 1607 for 32-bit Systems 3.0.0.0 < 10.0.14393.7699

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-21176 : .NET Framework Remote Code Execution Vulnerability Affecting Microsoft Products