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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 F…

High CVSS 7.8
CVECVE-2026-41447
First seen2026-08-03 23:15 UTC
Disclosed2026-08-03 21:16 UTC
Last updated2026-08-03 23:15 UTC
Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (1)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: 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

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD