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High 8.4Published Nov 18, 2025

CVE-2025-12852DLL Loading vulnerability in NEC Corporation RakurakuMusen Start EX All Verisons allows a attacker to manipulate the PC environment to cause unintended operations on the user's device.

Updated under an hour ago ()

Does this affect you?

It affects NEC Corporation RakurakuMusen Start EX. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

DLL Loading vulnerability in NEC Corporation RakurakuMusen Start EX All Verisons allows a attacker to manipulate the PC environment to cause unintended operations on the user's device.

CVSS
8.4 HIGH (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-427
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
NEC
NVD analysis
Deferred
Record last updated
Nov 19, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
NEC Corporation RakurakuMusen Start EX
nec:rakurakumusen_start_ex (from the name)
all versions
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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