CVE-2026-26142 — CRITICAL (9.8)

Vulnerability Description

Deserialization of untrusted data in Nuance PowerScribe allows an unauthorized attacker to execute code over a network.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Nuance Powerscribe 360	4.0.0
Microsoft	Nuance Powerscribe One	2019.1

Related Weaknesses (CWE)

CWE-502

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26142Vendor Advisory

FAQ

What is CVE-2026-26142?

CVE-2026-26142 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Deserialization of untrusted data in Nuance PowerScribe allows an unauthorized attacker to execute code over a network.

How severe is CVE-2026-26142?

CVE-2026-26142 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-26142?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Nuance Powerscribe 360, Microsoft Nuance Powerscribe One.