EIP-2026-117572

PRE-CVE

Microsoft Windows NT 3/4.0 - CSRSS Memory Access Violation

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117572. PoCs published by Michael Wojcik.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service (DoS) vulnerability in Windows NT, 2000, and XP systems by outputting a sequence of whitespace and backspace characters in a loop, causing CSRSS.EXE to crash. The exploit leverages a flaw in high-level console I/O handling.

Description

Microsoft Windows NT 3/4.0 - CSRSS Memory Access Violation

Exploits (1)

exploitdb WORKING POC VERIFIED
by Michael Wojcik · clocalwindows
https://www.exploit-db.com/exploits/21130

This exploit demonstrates a denial-of-service (DoS) vulnerability in Windows NT, 2000, and XP systems by outputting a sequence of whitespace and backspace characters in a loop, causing CSRSS.EXE to crash. The exploit leverages a flaw in high-level console I/O handling.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Windows NT, 2000, XP (CSRSS.EXE)
No auth needed
Prerequisites: Access to a console session on the target system
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026