EIP-2026-118395

PRE-CVE

CygniCon CyViewer - ActiveX Control 'SaveData()' Insecure Method

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118395. PoCs published by High-Tech Bridge SA.

AI-analyzed exploit summary This exploit leverages an insecure method in the CygniCon CyViewer ActiveX control to create or overwrite files, potentially leading to arbitrary code execution with user-level privileges. The PoC uses VBScript to call the vulnerable SaveData method.

Description

CygniCon CyViewer - ActiveX Control 'SaveData()' Insecure Method

Exploits (1)

exploitdb WORKING POC VERIFIED
by High-Tech Bridge SA · htmlremotewindows
https://www.exploit-db.com/exploits/35897

This exploit leverages an insecure method in the CygniCon CyViewer ActiveX control to create or overwrite files, potentially leading to arbitrary code execution with user-level privileges. The PoC uses VBScript to call the vulnerable SaveData method.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: CygniCon CyViewer ActiveX control
No auth needed
Prerequisites: Victim must visit a malicious webpage · ActiveX control must be installed and enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026