CVE-2024-43483: .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-10-08 · updated 2026-08-19
Weakness: CWE-407

Description

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

Affected products

Microsoft .NET: from 6.0.0 before 6.0.35; from 8.0.0 before 8.0.10 — fixed in 6.0.35, 8.0.10
Microsoft .NET Framework: 3.5, 4.8.1, 4.8, 4.7.2, 3.5.1, 4.6.2 (+5)
Microsoft Visual Studio 2022 version 17.14: from 17.6 before 17.6.20; from 17.8 before 17.8.15; from 17.10 before 17.10.8; from 17.11 before 17.11.5 — fixed in 17.10.8, 17.11.5, 17.6.20, 17.8.15
Microsoft .NET 6.0: from 6.0.0 before 6.0.35 — fixed in 6.0.35
Microsoft .NET 8.0: from 8.0.0 before 8.0.10 — fixed in 8.0.10
Microsoft .NET Framework 2.0 Service Pack 2: from 2.0.0 before 3.0.30729.8974 — fixed in 3.0.30729.8974
Microsoft .NET Framework 3.0 Service Pack 2: from 3.0.0 before 3.0.30729.8974 — fixed in 3.0.30729.8974
Microsoft .NET Framework 3.5: from 3.5.0 before 3.5.30729.8973 — fixed in 3.5.30729.8973
Microsoft .NET Framework 3.5.1: from 3.5.0 before 3.5.1.30729.8974 — fixed in 3.5.1.30729.8974
Microsoft .NET Framework 3.5 AND 4.7.2: from 4.7.0 before 4.7.04115.01 — fixed in 4.7.04115.01
Microsoft .NET Framework 3.5 AND 4.8: from 4.8.0 before 4.8.04762.01 — fixed in 4.8.04762.01
Microsoft .NET Framework 3.5 AND 4.8.1: from 4.8.1 before 4.8.1.9277.03 — fixed in 4.8.1.9277.03
Microsoft .NET Framework 4.6.2: from 4.7.0 before 4.7.04115.01 — fixed in 4.7.04115.01
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2: from 4.7.0 before 4.7.04115.01 — fixed in 4.7.04115.01
Microsoft .NET Framework 4.6/4.6.2: from 10.0.0.0 before 10.0.10240.20796 — fixed in 10.0.10240.20796
Microsoft .NET Framework 4.8: from 4.8.0 before 4.8.04762.01 — fixed in 4.8.04762.01
Microsoft Visual Studio 2022 version 17.10: from 17.10 before 17.10.8 — fixed in 17.10.8
Microsoft Visual Studio 2022 version 17.11: from 17.11 before 17.11.5 — fixed in 17.11.5
Microsoft Visual Studio 2022 version 17.6: from 17.6.0 before 17.6.20 — fixed in 17.6.20
Microsoft Visual Studio 2022 version 17.8: from 17.8.0 before 17.8.15 — fixed in 17.8.15
Microsoft PowerShell 7.2: from 7.2.0 before 7.2.24 — fixed in 7.2.24
Microsoft PowerShell 7.4: from 7.4.0 before 7.4.6 — fixed in 7.4.6

How to fix

Upgrade to a fixed version: Microsoft .NET 6.0.35, 8.0.10; Microsoft Visual Studio 2022 version 17.14 17.10.8, 17.11.5, 17.6.20, 17.8.15; Microsoft .NET 6.0 6.0.35; Microsoft .NET 8.0 8.0.10; Microsoft .NET Framework 2.0 Service Pack 2 3.0.30729.8974; Microsoft .NET Framework 3.0 Service Pack 2 3.0.30729.8974; Microsoft .NET Framework 3.5 3.5.30729.8973; Microsoft .NET Framework 3.5.1 3.5.1.30729.8974; Microsoft .NET Framework 3.5 AND 4.7.2 4.7.04115.01; Microsoft .NET Framework 3.5 AND 4.8 4.8.04762.01; Microsoft .NET Framework 3.5 AND 4.8.1 4.8.1.9277.03; Microsoft .NET Framework 4.6.2 4.7.04115.01. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43483

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