Untrusted Pointer Dereference in Microsoft Windows and Windows Server - CVE-2024-43646

Vulnerability identifier: #VU100332

CSH Severity: Low

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-43646

CWE-ID: CWE-822

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to untrusted pointer dereference in Windows Secure Kernel Mode. A remote administrator can gain elevated privileges.

Microsoft Windows
Windows Server

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, 10 1809 10.0.17763.6532, 11 22H2 10.0.22621.4460, 11 23H2 10.0.22631.4460, 11 24H2 10.0.26100.2240, 11 24H2 10.0.26100.2314
Windows Server - addressed in versions 2022 23H2 10.0.25398.1251, 2022 10.0.20348.2849, 2025 10.0.26100.2240, 2025 10.0.26100.2314

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43646

• Multiple vulnerabilities in Microsoft Windows Secure Kernel Mode