CVE-2015-0058: Microsoft Windows 8.1

High severity, CVSS 7.2. EPSS: 2.7% chance of exploitation in the next 30 days.

Double free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows 8.1, Windows Server 2012 R2, and Windows RT 8.1 allows local users to gain privileges via a crafted application, aka "Windows Cursor Object Double Free Vulnerability."

Affected products

• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2012: version r2 only

Published 2015-02-11. Last modified 2026-06-17.