EIP-2026-115951
PRE-CVENotepad++ 5.4.5 - '.C' / '.CPP' Local Stack Buffer Overflow (PoC)
Title source: legacyExploitation Summary
EIP tracks 1 public exploit for EIP-2026-115951. PoCs published by fl0 fl0w.
AI-analyzed exploit summary This is a functional proof-of-concept exploit for a local stack buffer overflow vulnerability in Notepad++ 5.4.5. The exploit demonstrates a crash by crafting a malicious .C/CPP file that triggers the overflow in the SciLexer function.
Description
Notepad++ 5.4.5 - '.C' / '.CPP' Local Stack Buffer Overflow (PoC)
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by fl0 fl0w · cdoswindows
https://www.exploit-db.com/exploits/9701
This is a functional proof-of-concept exploit for a local stack buffer overflow vulnerability in Notepad++ 5.4.5. The exploit demonstrates a crash by crafting a malicious .C/CPP file that triggers the overflow in the SciLexer function.
Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target:
Notepad++ 5.4.5
No auth needed
Prerequisites:
Victim must open a specially crafted .C/CPP file in Notepad++ 5.4.5
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026
Full analysis →
Details
Status
pre_cve
Tracked Since
Feb 18, 2026