CVE-2026-41447
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
ProductFirmaCheck
PublishedAug 3, 2026
First seenAug 3, 2026
Weakness typeCWE-426CWE-426
How to fix
Update
- Zucchetti S.p.a. FirmaCheck1.3.16 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Zucchetti S.p.a. FirmaCheck | v < 1.3.16 | 1.3.16 |
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