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VulnerabilityPublished Updated

CVE-2026-41447: Zucchetti S.p.a FirmaCheck · Untrusted Search Path

Affects Zucchetti S.p.a FirmaCheckSource CVE Database V5

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Not known to be exploited · CVSS 8.5 High.

Data as of 1 Nov 2026, 22:58 UTC

CVSS 4.0 base score
8.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Zucchetti S.p.a.FirmaCheckAffected
  • <1.3.16
Fixed in–

AI-suggested

Until an official fix is available, restrict local access to the affected directory (C:\Program Files (x86)\Common Files\SSL\) to trusted users only to prevent placement of malicious files. Monitor for unauthorized files in this directory and consider disabling automatic startup of FirmaCheck.exe if feasible.

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.

References

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