CVE-2024-43639

CRITICAL

Windows Server 2012/2016/2019/2022/2025 RCE via KDC Proxy Numeric Truncation

Title source: llm

Windows KDC Proxy Remote Code Execution Vulnerability

Core 1

Core References

Patch, Vendor Advisory vendor-advisory

CVSS v3 9.8

EPSS 0.0285

EPSS Percentile 86.4%

Attack Vector NETWORK

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

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

CWE

CWE-197

Status published

Products (7)

microsoft/windows_server_2012

microsoft/windows_server_2012 r2

microsoft/windows_server_2016 < 10.0.14393.7515

microsoft/windows_server_2019 < 10.0.17763.6532

microsoft/windows_server_2022 < 10.0.20348.2849

microsoft/windows_server_2022_23h2 < 10.0.25398.1251

microsoft/windows_server_2025 < 10.0.26100.2314

Published Nov 12, 2024

Tracked Since Feb 18, 2026