High severity · published Jul 8, 2026
CVE-2026-57895
Incorrect default permissions issue exists in Pupsman versions prior to 3.9.0
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
Incorrect default permissions issue exists in Pupsman versions prior to 3.9.0. An attacker can place a malicious executable in the installation folder, which results in arbitrary code execution with SYSTEM privilege
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% 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-2026-57895
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57895
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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