Auth bypass in Microsoft Nuance Powerscribe 360
CVE-2025-30398
Missing authorization in Nuance PowerScribe allows an unauthorized attacker to disclose information over a network.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Microsoft Nuance Powerscribe 360 — versions 4.0.1, 4.0.2, 4.0.3
- Microsoft Nuance Powerscribe 360 Version 4.0.1 — versions 4.0.1
- Microsoft Nuance Powerscribe 360 Version 4.0.2 — versions 4.0.2
- Microsoft Nuance Powerscribe 360 Version 4.0.3 — versions 4.0.3
- Microsoft Nuance Powerscribe 360 Version 4.0.4 — versions 4.0.4
- Microsoft Nuance Powerscribe 360 Version 4.0.5 — versions 4.0.5
- Microsoft Nuance Powerscribe 360 Version 4.0.6 — versions 4.0.6
- Microsoft Nuance Powerscribe 360 Version 4.0.7 — versions 4.0.7
- Microsoft Nuance Powerscribe 360 Version 4.0.8 — versions 4.0.8
- Microsoft Nuance Powerscribe 360 Version 4.0.9 — versions 4.0.9
Weakness classification (CWE)
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30398 (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-30398?
- CVE-2025-30398 is a high-severity vulnerability in Microsoft Nuance Powerscribe 360, classified under Missing Authorization. CVSS score: 8.1/10. Published 2025-11-11.
- How severe is CVE-2025-30398?
- High severity. CVSS v3 base score is 8.1 out of 10.