High severity · published Jul 8, 2026
CVE-2026-56437
Uncontrolled search path element issue exists in Pupsman versions prior to 3.9.0
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
Uncontrolled search path element issue exists in Pupsman versions prior to 3.9.0. If a crafted DLL file is placed in the same folder as the affected installer and the installer is executed, arbitrary code may be executed with SYSTEM privilege.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PU
Pupsman · Fuji Electric Co.,Ltd.
prior to 3.9.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56437
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56437
jvn.jp
https://jvn.jp/en/jp/JVN62347140/
www.fujielectric.co.jp
https://www.fujielectric.co.jp/products/power_supply/ups/product_detail/software_pupsman.html
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