CVE-2025-30391 Microsoft Dynamics Information Disclosure Vulnerability
An unauthorized attacker can disclose information over the network due to improper input validation in Microsoft Dynamics 365 Customer Service.
- 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-2025-30391?
CVE-2025-30391 is a high-severity vulnerability in Microsoft Dynamics 365 Customer Service, published on 30 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper input validation in Microsoft Dynamics allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-20
Which versions are affected by CVE-2025-30391?
It affects 1 product.
Products include Microsoft Dynamics 365 Customer Service.
How do I fix CVE-2025-30391?
No fix has been published for CVE-2025-30391 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-30391 being exploited?
There is no known exploitation of CVE-2025-30391 in the wild and no public exploit code.
Sources
Also known as GHSA-37cp-q8j3-ccqw.