Vulnerability · Published Nov 19, 2025 · Assigned by NEC
CVE-2025-12852
High 8.4
In plain English
A high-severity uncontrolled search path in RakurakuMusen Start EX from NEC Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 4.0)8.4High
Exploit odds (30 days)0.1%top 95.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NEC Corporation | RakurakuMusen Start EX | All versions |
Weakness: CWE-427 · Vector: 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