Incorrect Conversion between Numeric Types in Microsoft Windows and Windows Server - CVE-2025-24059

Vulnerability identifier: #VU105517

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-2025-24059

CWE-ID: CWE-681

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 incorrect conversion between numeric types in Windows Common Log File System Driver, which leads to security restrictions bypass and privilege escalation.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.5608, 10 22H2 10.0.19045.5608, 10 1507 10.0.10240.20947, 10 1607 10.0.14393.7876, 10 1809 10.0.17763.7009, 11 22H2 10.0.22621.5039, 11 23H2 10.0.22631.5039, 11 24H2 10.0.26100.3403, 11 24H2 10.0.26100.3476
Windows Server - addressed in versions 2008 R2 6.1.7601.27618, 2008 6.0.6003.23168, 2012 R2 6.3.9600.22470, 2012 6.2.9200.25368, 2016 10.0.14393.7876, 2019 10.0.17763.7009, 2022 23H2 10.0.25398.1486, 2022 10.0.20348.3270, 2022 10.0.20348.3328, 2025 10.0.26100.3403, 2025 10.0.26100.3476

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-24059

• Privilege escalation in Microsoft Windows Common Log File System Driver