CVE-2024-43639

Published: Nov 12, 2024Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

Windows KDC Proxy Remote Code Execution Vulnerability

Affected (7)

Products: Microsoft: Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025

6 products

Windows Server 2012

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2022 23h2

Windows Server 2025

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	Before 10.0.14393.7515
Microsoft Windows Server 2019	Before 10.0.17763.6532
Microsoft Windows Server 2022	Before 10.0.20348.2849
Microsoft Windows Server 2022 23h2	Before 10.0.25398.1251
Microsoft Windows Server 2025	Before 10.0.26100.2314

Related CWEs

Numeric Truncation Error

Truncation errors occur when a primitive is cast to a primitive of a smaller size and data is lost in the conversion.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43639

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.