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Vulnerabilities

Vulnerability · CVE-2025-12852

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 dev

Published Nov 19, 2025 · catalog updated Nov 19, 2025 · NEC Corporation RakurakuMusen Start EX

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-12852. EPSS is 0.15%. Act only if a listed version of NEC Corporation RakurakuMusen Start EX is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Advisory link
Affected products
vendor NEC Corporation RakurakuMusen Start EX All versions

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor NEC Corporation RakurakuMusen Start EX All versionsAll versions

How to fix CVE-2025-12852

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-12852. EPSS is 0.15%. Act only if a listed version of NEC Corporation RakurakuMusen Start EX is installed.

Which versions are affected?

Compare what you have installed with NEC Corporation RakurakuMusen Start EX All versions All versions. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 19, 2025 · EUVD

    Detected

    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.

  2. Nov 19, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-12852

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-12852

    30-day exploitation probability 0.15%

    first.org
  • EUVDVulnerability recordEUVD-2025-198129

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026