What’s Vulnerable › Vulnerabilities

CVE-2024-43447: Windows SMBv3 Server Remote Code Execution Vulnerability

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-12 · updated 2026-06-17
• Weakness: CWE-415

Description

Windows SMBv3 Server Remote Code Execution Vulnerability

Affected products

• Microsoft Windows Server 2022: before 10.0.20348.2849 — fixed in 10.0.20348.2849
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.2849 — fixed in 10.0.20348.2849

How to fix

Upgrade to a fixed version: Microsoft Windows Server 2022 10.0.20348.2849; Microsoft Windows Server 2022 10.0.20348.2849. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43447

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