What’s Vulnerable › Vulnerabilities

CVE-2022-35804: SMB Client and Server Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-09 · updated 2026-06-17

Description

SMB Client and Server Remote Code Execution Vulnerability

Affected products

• Microsoft Windows 11 version 21H2: all versions
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.856 — fixed in 10.0.22000.856

How to fix

Upgrade to a fixed version: Microsoft Windows 11 21H2 10.0.22000.856. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-35804
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-35804

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