What’s Vulnerable › Vulnerabilities

CVE-2022-26929: .NET Framework Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-09-13 · 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 Framework 3.5 AND 4.6/4.6.2: from 10.0.0 before 10.0.10240.19444 — fixed in 10.0.10240.19444
• Microsoft .NET Framework 3.5 AND 4.8.1: from 4.8.1 before 3.5.09082.05 — fixed in 3.5.09082.05
• Microsoft .NET Framework 4.8.1: from 4.8.0.0 before 4.8.04556.03 — fixed in 4.8.04556.03

How to fix

Upgrade to a fixed version: Microsoft .NET Framework 3.5 AND 4.6/4.6.2 10.0.10240.19444; Microsoft .NET Framework 3.5 AND 4.8.1 3.5.09082.05; Microsoft .NET Framework 4.8.1 4.8.04556.03. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26929
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26929

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