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.NET Framework

PRODUCT

· dossier confidence 20%

Microsoft's .NET Framework has a history of critical security vulnerabilities, including remote code execution flaws, requiring frequent security updates and raising concerns about the platform's overall security posture. Recent updates, like KB5104032 and KB5100998, address multiple CVEs, highlighting the ongoing need for vigilance. The platform's widespread use in DIB applications necessitates careful management and patching.

PROFILE
CategorySoftwareWhat they doMicrosoft .NET Framework is a software framework developed by Microsoft for building and running applications on Windows. It provides a managed execution environment and a comprehensive class library. Websitehttps://learn.microsoft.com/en-us/dotnet/framework/ ↗
SECURITY POSTURE

The .NET Framework has a history of significant security vulnerabilities, including multiple remote code execution (RCE) flaws. Microsoft regularly releases security updates to address these vulnerabilities, but the frequency of high-severity issues suggests ongoing challenges in secure development practices.

Notable failures
  • CVE-2024-29059 (RCE)
  • CVE-2017-8759 (RCE)
  • CVE-2020-0646 (RCE)
  • CVE-2026-47304 (Cryptographic Signature Verification)
Patterns: Recurring RCE vulnerabilities; Improper input validation; Cryptographic signature verification issues
FAILURE HISTORY · 4
DATEEVENTSEVSUMMARY
2021-11-03 CVE-2017-8759 high Microsoft .NET Framework RCE vulnerability (CVE-2017-8759) was actively exploited in the wild, allowing attackers to take full control of systems.
2021-11-03 CVE-2020-0646 high Microsoft .NET Framework remote code execution vulnerability allows attackers to execute arbitrary code on vulnerable systems.
2025-02-04 CVE-2024-29059 high A Microsoft .NET Framework vulnerability allows attackers to expose sensitive information and potentially execute code remotely, currently being exploited in the wild.
2026-07-14 CVE-2026-47304 high CVE-2026-47304: Improper verification of cryptographic signature in .NET allows an unauthorized
Open questions: What is the current patching status of .NET Framework installations? · What mitigation strategies are in place to address known vulnerabilities?
DOSSIER · dex-RAG synthesis · grounded in our own collection + trusted sourcesbuilt 2026-07-29 04:17:37.109251+00:00