Remote Code Execution Vulnerability in Microsoft Dynamics 365 by Microsoft
CVE-2026-65772

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-65772?

A security flaw in Microsoft Dynamics 365 allows an authorized attacker to exploit the deserialization of untrusted data, potentially leading to arbitrary code execution over a network. This vulnerability emphasizes the necessity for stringent validation of data and regular updates to ensure system integrity and protection against unauthorized actions.

Affected Version(s)

Microsoft Dynamics 365 (on-premises) version 9.1 9.0 < 9.1.0046.0006

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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