What’s Vulnerable › Vulnerabilities

CVE-2022-41089: .NET Framework Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-13 · updated 2026-06-17

Description

.NET Framework Remote Code Execution Vulnerability

Affected products

• Microsoft .NET Framework: 3.5, 4.8, 4.6, 4.6.1, 4.6.2, 4.7 (+6)
• Microsoft .NET 6.0: from 6.0.0 before 6.0.12 — fixed in 6.0.12
• Microsoft .NET 7.0: from 7.0.0 before 7.0.1 — fixed in 7.0.1
• Microsoft .NET Core 3.1: from 3.1 before 3.1.32 — fixed in 3.1.32
• Microsoft .NET Framework 2.0 Service Pack 2: from 2.0.0 before 30729.8953 — fixed in 30729.8953
• Microsoft .NET Framework 3.0 Service Pack 2: from 3.0.0 before 30729.8953 — fixed in 30729.8953
• Microsoft .NET Framework 3.5: from 3.5.0 before 30729.8953 — fixed in 30729.8953
• Microsoft .NET Framework 3.5.1: from 3.5.0 before 30729.8953 — fixed in 30729.8953
• Microsoft .NET Framework 3.5 AND 4.6/4.6.2: from 10.0.0 before 10.0.10240.19624 — fixed in 10.0.10240.19624
• Microsoft .NET Framework 3.5 AND 4.7.2: from 4.7.0 before 04010.02 — fixed in 04010.02
• Microsoft .NET Framework 3.5 AND 4.8: from 4.8.0 before 04590.02 — fixed in 04590.02
• Microsoft .NET Framework 3.5 AND 4.8.1: from 4.8.1 before 09115.01 — fixed in 09115.01
• Microsoft .NET Framework 4.6.2: from 4.7.0 before 04010.02 — fixed in 04010.02
• Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2: from 4.7.0 before 04010.02 — fixed in 04010.02
• Microsoft .NET Framework 4.8: from 4.8.0 before 04590.02 — fixed in 04590.02
• Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10): from 16.11.0 before 16.11.22 — fixed in 16.11.22
• Microsoft Visual Studio 2022 version 17.0: from 17.0.0 before 17.0.17 — fixed in 17.0.17
• Microsoft Visual Studio 2022 version 17.2: from 17.2.0 before 17.2.11 — fixed in 17.2.11
• Microsoft Visual Studio 2022 version 17.4: from 17.4.0 before 17.4.3 — fixed in 17.4.3
• Microsoft PowerShell 7.2: from 7.2.0 before 7.2.9 — fixed in 7.2.9
• Microsoft PowerShell 7.3: from 7.3.0 before 7.3.2 — fixed in 7.3.2

How to fix

Upgrade to a fixed version: Microsoft .NET 6.0 6.0.12; Microsoft .NET 7.0 7.0.1; Microsoft .NET Core 3.1 3.1.32; Microsoft .NET Framework 2.0 Service Pack 2 30729.8953; Microsoft .NET Framework 3.0 Service Pack 2 30729.8953; Microsoft .NET Framework 3.5 30729.8953; Microsoft .NET Framework 3.5.1 30729.8953; Microsoft .NET Framework 3.5 AND 4.6/4.6.2 10.0.10240.19624; Microsoft .NET Framework 3.5 AND 4.7.2 04010.02; Microsoft .NET Framework 3.5 AND 4.8 04590.02; Microsoft .NET Framework 3.5 AND 4.8.1 09115.01; Microsoft .NET Framework 4.6.2 04010.02. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41089
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41089

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