What’s Vulnerable › Vulnerabilities

CVE-2024-29059: .NET Framework Information Disclosure Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2025-02-04
• EPSS: 98.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-03-22 · updated 2026-06-17
• Weakness: CWE-209

Description

.NET Framework Information Disclosure Vulnerability

Affected products

• Microsoft .NET Framework: 3.5, 4.7.2, 4.8, 3.5.1, 2.0-sp2, 3.0-sp2 (+5)
• Microsoft .NET Framework 2.0 Service Pack 2: from 2.0.0 before 3.0.50727.8976 — fixed in 3.0.50727.8976
• Microsoft .NET Framework 3.0 Service Pack 2: from 3.0.0 before 3.0.50727.8976 — fixed in 3.0.50727.8976
• Microsoft .NET Framework 3.5: from 3.5.0 before 3.0.50727.8976 — fixed in 3.0.50727.8976
• Microsoft .NET Framework 3.5.1: from 3.5.0 before 3.0.30729.8959 — fixed in 3.0.30729.8959
• Microsoft .NET Framework 3.5 AND 4.6/4.6.2: from 10.0.0 before 10.0.10240.20402 — fixed in 10.0.10240.20402
• Microsoft .NET Framework 3.5 AND 4.7.2: from 4.7.0 before 4.7.04081.03 — fixed in 4.7.04081.03
• Microsoft .NET Framework 3.5 AND 4.8: from 4.8.0 before 4.8.04690.02 — fixed in 4.8.04690.02
• Microsoft .NET Framework 3.5 AND 4.8.1: from 4.8.1 before 4.8.09214.01 — fixed in 4.8.09214.01
• Microsoft .NET Framework 4.6.2: from 4.7.0 before 4.7.04081.03 — fixed in 4.7.04081.03
• Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2: from 4.7.0 before 4.7.04081.03 — fixed in 4.7.04081.03
• Microsoft .NET Framework 4.8: from 4.8.0 before 4.8.04690.02 — fixed in 4.8.04690.02

How to fix

Upgrade to a fixed version: Microsoft .NET Framework 2.0 Service Pack 2 3.0.50727.8976; Microsoft .NET Framework 3.0 Service Pack 2 3.0.50727.8976; Microsoft .NET Framework 3.5 3.0.50727.8976; Microsoft .NET Framework 3.5.1 3.0.30729.8959; Microsoft .NET Framework 3.5 AND 4.6/4.6.2 10.0.10240.20402; Microsoft .NET Framework 3.5 AND 4.7.2 4.7.04081.03; Microsoft .NET Framework 3.5 AND 4.8 4.8.04690.02; Microsoft .NET Framework 3.5 AND 4.8.1 4.8.09214.01; Microsoft .NET Framework 4.6.2 4.7.04081.03; Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7.04081.03; Microsoft .NET Framework 4.8 4.8.04690.02. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29059
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29059
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-29059

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