EIP-2026-115779

PRE-CVE

Microsoft Windows - 'win32k.sys' Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115779. PoCs published by Kedamsky.

AI-analyzed exploit summary This exploit triggers a denial-of-service (BSOD) in Microsoft Windows by exploiting a vulnerability in win32k.sys where the function xxxMenuWindowProc fails to validate the return value of xxxMNOpenHierarchy, leading to a read from address -1. The PoC uses a sequence of menu operations and hooks to trigger the vulnerable code path.

Description

Microsoft Windows - 'win32k.sys' Denial of Service

Exploits (1)

exploitdb WORKING POC
by Kedamsky · c++doswindows
https://www.exploit-db.com/exploits/35326

This exploit triggers a denial-of-service (BSOD) in Microsoft Windows by exploiting a vulnerability in win32k.sys where the function xxxMenuWindowProc fails to validate the return value of xxxMNOpenHierarchy, leading to a read from address -1. The PoC uses a sequence of menu operations and hooks to trigger the vulnerable code path.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows XP SP3, Vista SP2, 7 SP1, 8, 8.1 (x86/x64)
No auth needed
Prerequisites: User interaction to trigger the menu sequence
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026