CVE-2026-26142 Nuance PowerScribe Remote Code Execution Vulnerability
An unauthorized attacker can execute arbitrary code remotely via deserialization of untrusted data in Nuance PowerScribe.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-26142?
CVE-2026-26142 is a critical unsafe deserialization vulnerability in Microsoft Nuance PowerScribe 360 4.0, published on 9 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Deserialization of untrusted data in Nuance PowerScribe allows an unauthorized attacker to execute code over a network.
Weakness: CWE-502
Which versions are affected by CVE-2026-26142?
It affects 2 products.
Products include Microsoft Nuance Powerscribe 360, Microsoft Nuance Powerscribe One.
How do I fix CVE-2026-26142?
No fix has been published for CVE-2026-26142 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-26142 being exploited?
There is no known exploitation of CVE-2026-26142 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Nuance PowerScribe 360 4.0
Sources
Also known as GHSA-7w62-gvgg-pvvq.