Microsoft .NET 9.0
23 published vulnerabilities name this product.
As the CNAs write it in their CVE records (vendor and product); the versions are theirs.
| CVE | Vulnerable versions | Title | Severity | Published | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| CVE-2026-45591 | 9.0.0 – < 9.0.17 | ASP.NET Core Denial of Service Vulnerability | HIGH 7.5 | 2.5 % | ||
| CVE-2026-45491 | 9.0.0 – < 9.0.17 | .NET Tampering Vulnerability | MEDIUM 6.2 | 0.4 % | ||
| CVE-2026-45490 | 9.0.0 – < 9.0.17 | .NET SDK Elevation of Privilege Vulnerability | HIGH 7.8 | 0.4 % | ||
| CVE-2026-42899 | 9.0.0 – < 9.0.16 | ASP.NET Core Denial of Service Vulnerability | HIGH 7.5 | 2.4 % | ||
| CVE-2026-32175 | 9.0.0 – < 9.0.16 | .NET Core Tampering Vulnerability | MEDIUM 4.3 | 0.7 % | ||
| CVE-2026-35433 | 9.0.0 – < 9.0.16 | .NET Elevation of Privilege Vulnerability | HIGH 7.3 | 0.8 % | ||
| CVE-2026-32177 | 9.0.0 – < 9.0.16 | .NET Elevation of Privilege Vulnerability | HIGH 7.3 | 0.6 % | ||
| CVE-2026-32203 | 9.0.0 – < 9.0.15 | .NET and Visual Studio Denial of Service Vulnerability | HIGH 7.5 | 1.9 % | ||
| CVE-2026-26171 | 9.0.0 – < 9.0.15 | .NET Denial of Service Vulnerability | HIGH 7.5 | 1.8 % | ||
| CVE-2026-33116 | 9.0.0 – < 9.0.15 | .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability | HIGH 7.5 | 2.1 % | ||
| CVE-2026-32178 | 9.0.0 – < 9.0.15 | .NET Spoofing Vulnerability | HIGH 7.5 | 2.3 % | ||
| CVE-2026-26127 | 9.0.0 – < 9.0.14 | .NET Denial of Service Vulnerability | HIGH 7.5 | 2.1 % | ||
| CVE-2026-21218 | 9.0.0 – < 9.0.13 | .NET Spoofing Vulnerability | HIGH 7.5 | 1.0 % | ||
| CVE-2025-55248 | 9.0.0 – < 9.0.10 | .NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability | MEDIUM 5.7 | 0.7 % | ||
| CVE-2025-55247 | 9.0.0 – < 9.0.10 | .NET Elevation of Privilege Vulnerability | HIGH 7.3 | 0.6 % | ||
| CVE-2025-30399 | 9.0.0 – < 9.0.6 | .NET and Visual Studio Remote Code Execution Vulnerability | HIGH 7.5 | 1.1 % | ||
| CVE-2025-26646 | 9.0.0 – < 9.0.5 | .NET, Visual Studio, and Build Tools for Visual Studio Spoofing Vulnerability | HIGH 8.0 | 1.3 % | ||
| CVE-2025-21172 | 9.0.0 – < 9.0.1 | .NET and Visual Studio Remote Code Execution Vulnerability | HIGH 7.5 | 1.8 % | ||
| CVE-2025-21173 | 9.0.0 – < 9.0.1 | .NET Elevation of Privilege Vulnerability | HIGH 7.3 | 1.3 % | ||
| CVE-2025-21176 | 9.0.0 – < 9.0.1 | .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability | HIGH 8.8 | 2.4 % | ||
| CVE-2025-21171 | 9.0.0 – < 9.0.1 | .NET Remote Code Execution Vulnerability | HIGH 7.5 | 1.7 % | ||
| CVE-2024-43498 | | .NET and Visual Studio Remote Code Execution Vulnerability | CRITICAL 9.8 | 3.6 % | ||
| CVE-2024-43499 | | .NET and Visual Studio Denial of Service Vulnerability | HIGH 7.5 | 2.6 % |