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Microsoft .NET Framework 3.5 vulnerabilities

16 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 16 published in the last 12 months.

Check whether your Microsoft .NET Framework 3.5 version is affected

Latest Microsoft .NET Framework 3.5 vulnerabilities

• CVE-2026-97801 — .NET Framework Tampering Vulnerability (CVSS 7.5)
• CVE-2026-97788 — Active Directory Federation Services (AD FS) Information Disclosure Vulnerability (CVSS 7.5)
• CVE-2026-96960 — .NET Denial of Service Vulnerability (CVSS 7.5)
• CVE-2026-96959 — .NET Denial of Service Vulnerability (CVSS 7.5)
• CVE-2026-96958 — .NET Denial of Service Vulnerability (CVSS 7.5)
• CVE-2026-96233 — ASP.NET Core Denial of Service Vulnerability (CVSS 7.5)
• CVE-2026-96224 — .NET Remote Code Execution Vulnerability (CVSS 8.8)
• CVE-2026-96222 — Active Directory Federation Services (AD FS) Spoofing Vulnerability (CVSS 7.4)
• CVE-2026-85363 — .NET Framework Elevation of Privilege Vulnerability (CVSS 8.8)
• CVE-2026-84008 — .NET Denial of Service Vulnerability (CVSS 7.5)
• CVE-2026-83520 — .NET Remote Code Execution Vulnerability (CVSS 8.8)
• CVE-2026-70174 — .NET Remote Code Execution Vulnerability (CVSS 8.8)
• CVE-2026-70035 — .NET Framework Remote Code Execution Vulnerability (CVSS 8.8)
• CVE-2026-70007 — .NET Framework Remote Code Execution Vulnerability (CVSS 8.8)
• CVE-2026-69651 — .NET Denial of Service Vulnerability (CVSS 7.5)
• CVE-2026-58280 — .NET Denial of Service Vulnerability (CVSS 7.5)