CVE-2015-2365

Windows win32k.sys - Local Privilege Escalation via Crafted Application

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2015-2365. PoCs published by Nils Sommer, OpenSISE.

AI-analyzed exploit summary This exploit targets a use-after-free vulnerability in Windows win32k.sys, triggered by switching between desktops and closing one. The PoC causes a crash due to accessing freed memory, demonstrating the vulnerability.

Description

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

Exploits (2)

exploitdb WORKING POC VERIFIED
by Nils Sommer · textdoswindows_x86
https://www.exploit-db.com/exploits/38267

This exploit targets a use-after-free vulnerability in Windows win32k.sys, triggered by switching between desktops and closing one. The PoC causes a crash due to accessing freed memory, demonstrating the vulnerability.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows (win32k.sys)
No auth needed
Prerequisites: Access to a vulnerable Windows system
devstral-2 · analyzed Feb 16, 2026 Full analysis →
github WORKING POC 31 stars
by OpenSISE · cpoc
https://github.com/OpenSISE/CVE_PoC_Collect/tree/master/BSoD/windows/CVE-2015-2365

This repository contains a functional proof-of-concept exploit for CVE-2015-2365, a Windows kernel vulnerability in win32k.sys. The exploit triggers a PAGE_FAULT_IN_NONPAGED_AREA (0x50) bugcheck by manipulating desktop memory allocation via crafted system calls.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows (win32k.sys)
No auth needed
Prerequisites: Windows system with vulnerable win32k.sys
devstral-2 · analyzed Feb 27, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1032904
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/38267/

Scores

EPSS 0.0372
EPSS Percentile 88.4%

Details

CWE
CWE-264
Status published
Products (12)
microsoft/windows_2003_server
microsoft/windows_2003_server r2 sp2
microsoft/windows_7
microsoft/windows_8
microsoft/windows_8.1
microsoft/windows_rt
microsoft/windows_rt_8.1
microsoft/windows_server_2008
microsoft/windows_server_2008 r2 sp1
microsoft/windows_server_2012
... and 2 more
Published Jul 14, 2015
Tracked Since Feb 18, 2026