Double free in Microsoft Windows and Windows Server - CVE-2024-43514

Vulnerability identifier: #VU98202

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-2024-43514

CWE-ID: CWE-415

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 a boundary error in Windows Resilient File System (ReFS). A local user can pass specially crafted data to the application, trigger double free error and gain elevated privileges on the target system.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.5011, 10 22H2 10.0.19045.5011, 10 1507 10.0.10240.20796, 10 1607 10.0.14393.7428, 10 1809 10.0.17763.6414, 11 21H2 10.0.22000.3260, 11 22H2 10.0.22621.4317, 11 23H2 10.0.22631.4317, 11 24H2 10.0.26100.2033
Windows Server - addressed in versions 2012 R2 6.3.9600.22221, 2012 6.2.9200.25118, 2022 23H2 10.0.25398.1189, 2022 10.0.20348.2762

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-43514

• Multiple vulnerabilities in Microsoft Windows Resilient File System (ReFS)