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7.5High

CVE-2026-33116.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

Microsoft .NET 10.0; Microsoft .NET 8.0; Microsoft .NET 9.0; Microsoft Microsoft .NET Framework 3.5 Published: (7 months ago)

Description

Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.

Weakness (CWE): CWE-835CWE-400CWE-20CWE-776

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Microsoft Microsoft .NET Framework 3.5 3.5.0 – < 2.0.50727.8982 & 3.0.30729.8976
Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 4.7.0 – < 2.0.50727.9068 & 3.0.30729.9065 & 4.7.4141.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8 4.8.0 – < 2.0.50727.9068 & 3.0.30729.9065 & 4.8.4801.0
Microsoft Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1 – < 2.0.50727.9181 & 3.0.30729.9165 & 4.8.9332.0
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.0 – < 4.8.4801.0
Microsoft Microsoft .NET Framework 4.8 4.8.0 – < 4.8.4801.0
microsoft .net 10.0.0 – < 10.0.6
Microsoft .NET 10.0 10.0.0 – < 10.0.6
Microsoft .NET 8.0 8.0 – < 8.0.26
Microsoft .NET 9.0 9.0.0 – < 9.0.15
microsoft .net framework 3.5
Red Hat Red Hat Enterprise Linux 10 all versions
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 8 all versions
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support all versions
Red Hat Red Hat Hardened Images all versions

References and patches

CPE matches (NVD) (15)
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 10.0.0 < 10.0.6
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 8.0.0 < 8.0.26
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 9.0.0 < 9.0.15
  • cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*

Recent CVEs in the same product — .NET

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CVE-2026-120796

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ASP.NET Core Denial of Service Vulnerability

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Visual Studio Remote Code Execution Vulnerability

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Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

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Microsoft .NET 10.0 installed on Windows; Microsoft .NET 11.0 installed on Windows; Microsoft .NET 8.0 installed on Windows; Microsoft .NET 9.0 installed on Windows

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.