Link following in Microsoft Windows and Windows Server - CVE-2025-32721

Vulnerability identifier: #VU110748

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-2025-32721

CWE-ID: CWE-59

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 an insecure link following issue in Windows Recovery Driver. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Microsoft Windows
Windows Server

Install updates from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.5965, 10 22H2 10.0.19045.5965, 10 1507 10.0.10240.21034, 10 1607 10.0.14393.8148, 10 1809 10.0.17763.7434, 11 22H2 10.0.22621.5472, 11 23H2 10.0.22631.5472, 11 24H2 10.0.26100.4270, 11 24H2 10.0.26100.4349
Windows Server - addressed in versions 2012 R2 6.3.9600.22620, 2016 10.0.14393.8148, 2019 10.0.17763.7434, 2022 23H2 10.0.25398.1665, 2022 10.0.20348.3745, 2022 10.0.20348.3807, 2025 10.0.26100.4270, 2025 10.0.26100.4349

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32721

• Privilege escalation in Microsoft Windows Recovery Driver