EIP-2026-119233

PRE-CVE

Ultr@VNC 1.0.1 - 'client Log::ReallyPrint' Remote Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-119233. PoCs published by Paul Haas.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in Ultr@VNC 1.0.1 by sending a maliciously crafted VNC server response. It includes shellcode to launch calc.exe and uses a standard buffer overflow technique with a NOP sled and return address overwrite.

Description

Ultr@VNC 1.0.1 - 'client Log::ReallyPrint' Remote Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by Paul Haas · pythonremotewindows
https://www.exploit-db.com/exploits/1664

This exploit targets a buffer overflow vulnerability in Ultr@VNC 1.0.1 by sending a maliciously crafted VNC server response. It includes shellcode to launch calc.exe and uses a standard buffer overflow technique with a NOP sled and return address overwrite.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Ultr@VNC 1.0.1
No auth needed
Prerequisites: Network access to the target VNC server · VNC server running on port 5900
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026