What is CVE-2025-64298?

CVE-2025-64298 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.4/10. Published 2025-12-02.

How severe is CVE-2025-64298?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Microsoft Windows

CVE-2025-64298

NMIS/BioDose V22.02 and previous version installations where the embedded Microsoft SQLServer Express is used are exposed in the Windows share accessed by clients in networked installs. By default, this directory has insecure directory paths that allow access to the SQL Server database and configuration files, which can contain sensitive data.

Published 2025-12-02 · last modified 2026-09-25.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (13.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Microsoft Windows
Mirion Biodose\/nmis
Mirion Medical Ec2 Software Nmis Biodose — versions 0, 23.0

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

www.cisa.gov/news-events/ics-medical-advisories/icsma-25-336-01 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-64298?: CVE-2025-64298 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.4/10. Published 2025-12-02.
How severe is CVE-2025-64298?: High severity. CVSS v3 base score is 8.4 out of 10.