Use of uninitialized resource in Windows and Windows Server - CVE-2025-21312

 

Use of uninitialized resource in Windows and Windows Server - CVE-2025-21312

Published: January 14, 2025


Vulnerability identifier: #VU102748
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21312
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a local attacker to bypass certain security restrictions.

The vulnerability exists due to usage of uninitialized resources in Windows Smart Card Reader. An attacker with physical acccess can pass specially crafted data to the application, trigger uninitialized usage of resources and gain access to sensitive information on the target system.


How to mitigate CVE-2025-21312

Install updates from vendor's website.

Sources