CVE-2026-33116highCWE-20CWE-400CWE-776CWE-835

CVE-2026-33116: high-severity vulnerability in Microsoft .NET Framework 3.5

.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 2.1%
Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft .NET Framework 3.5Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2Microsoft · Microsoft .NET Framework 3.5 AND 4.8Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2Microsoft · Microsoft .NET Framework 4.8Microsoft · .NET 10.0Microsoft · .NET 8.0Microsoft · .NET 9.0
Related CVEs — Microsoft .NET Framework 3.5

In the same product, most dangerous first.

CVE-2020-0646CRITICALCVE-2020-0646EPSS 99.2%KEVCVE-2024-29059HIGH.NET Framework Information Disclosure VulnerabilityEPSS 98.6%KEVCVE-2020-1147HIGHCVE-2020-1147EPSS 95.8%KEVCVE-2023-36899HIGHASP.NET Elevation of Privilege VulnerabilityEPSS 76.7%CVE-2020-0605—CVE-2020-0605EPSS 18.4%CVE-2020-0606—CVE-2020-0606EPSS 18.3%