CVE-2026-26142

CVE-2026-26142

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

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

secure@microsoft.com

Frequently asked questions

What is CVE-2026-26142?: CVE-2026-26142 is a critical-severity vulnerability, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-06-09.
How severe is CVE-2026-26142?: Critical severity. CVSS v3 base score is 9.8 out of 10.