Information Disclosure Vulnerability in Microsoft Dynamics 365 by Microsoft
CVE-2026-66301

6.5MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Dynamics 365 (on-premises) Version 9.1
Vendor
CVE Published:
11 August 2026

What is CVE-2026-66301?

An exposure of sensitive information in Microsoft Dynamics 365 (on-premises) poses a risk where an authorized attacker can potentially disclose confidential information over a network. This vulnerability can lead to significant data breaches and unauthorized access, necessitating immediate attention to safeguard sensitive data.

Affected Version(s)

Microsoft Dynamics 365 (on-premises) version 9.1 9.0 < 9.1.0047.0006

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.