Microsoft Nuance Powerscribe One vulnerabilities

2 CVEs affecting Microsoft Nuance Powerscribe One, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-26142, published 2026-06-09.

More from Microsoft.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-26142, published 2026-06-09. Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days. Deserialization of untrusted data in Nuance PowerScribe allows an unauthorized attacker to execute code over a network.
• CVE-2025-30398, published 2025-11-11. High severity, CVSS 8.1. EPSS: 0.8% chance of exploitation in the next 30 days. Missing authorization in Nuance PowerScribe allows an unauthorized attacker to disclose information over a network.