CVE-2024-43640

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

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

Affected (11)

Products: Microsoft: Windows 10 21h2, Windows 10 22h2, Windows 11 22h2, Windows 11 23h2, Windows Server 2022

5 products

Windows 10 21h2

Windows 10 22h2

Windows 11 22h2

Windows 11 23h2

Windows Server 2022

Configuration A

11 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 21h2	version < 10.0.19044.5131
Microsoft Windows 10 21h2	version < 10.0.19044.5131
Microsoft Windows 10 21h2	version < 10.0.19044.5131
Microsoft Windows 10 22h2	version < 10.0.19045.5131
Microsoft Windows 10 22h2	version < 10.0.19045.5131
Microsoft Windows 10 22h2	version < 10.0.19045.5131
Microsoft Windows 11 22h2	version < 10.0.22621.4460
Microsoft Windows 11 22h2	version < 10.0.22621.4460
Microsoft Windows 11 23h2	version < 10.0.22631.4460
Microsoft Windows 11 23h2	version < 10.0.22631.4460
Microsoft Windows Server 2022	version < 10.0.20348.2849

Related CWEs

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43640

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

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