Vulnerability · Published Jun 9, 2026 · Assigned by microsoft
CVE-2026-26142Nuance PowerScribe Remote Code Execution Vulnerability
Critical 9.8
In plain English
A critical-severity unsafe deserialization in Nuance PowerScribe 360 4.0 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.9%top 20.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Deserialization of untrusted data in Nuance PowerScribe allows an unauthorized attacker to execute code over a network.
Affected products (as reported)
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Nuance PowerScribe Remote Code Execution Vulnerability vendor-advisory, patch