CVE-2024-43642: Windows SMB Denial of Service Vulnerability

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Category

Denial of Service

Exploit Status

Not Exploited

Exploitation Likelihood

More Likely

Patch Tuesday

2024-Nov

Released

2024-11-12

EPSS Score

36.50% (percentile: 97.1%)

Affected Products (11)

Windows

• Windows Server 2025
• Windows Server 2025 (Server Core installation)
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows 11 Version 22H2 for ARM64-based Systems
• Windows 11 Version 22H2 for x64-based Systems
• Windows 11 Version 23H2 for ARM64-based Systems
• Windows 11 Version 23H2 for x64-based Systems
• Windows Server 2022, 23H2 Edition (Server Core installation)
• Windows 11 Version 24H2 for ARM64-based Systems
• Windows 11 Version 24H2 for x64-based Systems

Security Updates (6)

• 5046617
• 5046696
• 5046616
• 5046698
• 5046633
• 5046618

Acknowledgments

<a href="https://twitter.com/arudd1ck">Andrew Ruddick</a> with Microsoft Red Team

Revision History

• 2024-11-12: Information published.