Vulnerability in Zucchetti S.p.a. Firmacheck

CVE-2026-41447

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.

EPSS: 0.001 (1.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41447?
CVE-2026-41447 is a high-severity vulnerability in Zucchetti S.p.a. Firmacheck, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2026-08-03.
How severe is CVE-2026-41447?
High severity. CVSS v3 base score is 7.8 out of 10.