# CVE-2026-41447

## Summary

- **CVE ID:** CVE-2026-41447
- **Severity:** HIGH
- **CVSS Score:** 8.5 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-426
- **Published:** Aug 3, 2026
- **Last Modified:** Aug 5, 2026

## Description

FirmaCheck for Windows before 1.3.16 contains a dll hijacking vulnerability that allows local attackers to execute arbitrary code by placing a crafted openssl.cnf file in the unvalidated C:\Program Files (x86)\Common Files\SSL\ directory path. Attackers can write a malicious OpenSSL configuration file referencing an attacker-controlled DLL to achieve code execution at startup process privilege level when FirmaCheck.exe runs automatically at system startup.

## Affected Products

- Zucchetti S.p.a. — FirmaCheck (0)

## References

- [CNA](https://www.zucchetti.it/it/cms/soluzioni/gestione-documentale/firme-e-marche/software-gestione-firme-digitali-firmacheck/software-gratuito-gestione-firme-e-documenti-descrizione.html)
- [CNA](https://www.vulncheck.com/advisories/firmacheck-dll-hijacking-via-unvalidated-openssl-configuration-path)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.11%
- **EPSS Percentile:** 1.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._