Main Vulnerability Database Vulnerabilities #VU100405

Double free in Microsoft Windows and Windows Server - CVE-2024-43640

Published: November 12, 2024

Vulnerability identifier: #VU100405

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-43640

CWE-ID: CWE-415

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in Windows Kernel-Mode Driver. A local user can pass specially crafted data to the application, trigger double free error and gain elevated privileges on the target system.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2024-43640

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.5131, 10 22H2 10.0.19045.5131, 10 1607 10.0.14393.7515, 11 22H2 10.0.22621.4460, 11 23H2 10.0.22631.4460
Windows Server - update to 2022 10.0.20348.2849

External References

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

Related Security Bulletins