CVE-2015-0057

This is a writeup for CVE-2015-0057, a local privilege escalation vulnerability in Windows 8.1 (x64) affecting win32k.sys. The provided link points to a binary exploit, but no actual code is included in the text.

This repository contains a functional exploit for CVE-2015-0057, a Windows kernel vulnerability involving HMValidateHandle and heap spraying. The code demonstrates a local privilege escalation (LPE) by manipulating window objects and hooking ClientLoadLibrary.

This is a detailed technical writeup explaining the exploitation of CVE-2015-0057, a use-after-free vulnerability in win32k.sys affecting Windows systems from XP to 8.1. It describes the vulnerability, exploitation techniques, and user-mode callback mechanisms.

This exploit leverages a Windows kernel vulnerability (CVE-2015-0057) to achieve local privilege escalation by manipulating the WM_SYSTIMER message handling mechanism. It replaces the primary token of the current process with that of the SYSTEM process, granting elevated privileges.