CVE-2025-30391
Microsoft Dynamics Information Disclosure Vulnerability
Improper input validation in Microsoft Dynamics allows an unauthorized attacker to disclose information over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Dynamics Information Disclosure Vulnerability
Improper input validation in Microsoft Dynamics allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2025-30391- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2025-12756
Improper input validation in Microsoft Dynamics allows an unauthorized attacker to disclose information over a network.
- Record
EUVD-2025-12756- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-37cp-q8j3-ccqw
Improper input validation in Microsoft Dynamics allows an unauthorized attacker to disclose...
Improper input validation in Microsoft Dynamics allows an unauthorized attacker to disclose information over a network.
- Record
GHSA-37cp-q8j3-ccqw- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Improper input validation in Microsoft Dynamics allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2025-30391- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-30391 is a high vulnerability (CVSS 8.1) in Microsoft Dynamics 365 Customer Service, published April 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. No source names a fixed version.