Remote Code Execution Vulnerability in Microsoft Dynamics 365 by Microsoft
CVE-2026-42833

9.1CRITICAL

Key Information:

Vendor

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

What is CVE-2026-42833?

A security flaw exists in Microsoft Dynamics 365 (on-premises) that allows an authorized attacker to execute code over a network, potentially leading to significant data breaches or system compromises. It is essential for users to apply updates and patches to mitigate the risks associated with this vulnerability. More information can be found in the vendor advisory.

Affected Version(s)

Microsoft Dynamics 365 (on-premises) version 9.1 9.0 < 9.1.44.15

References

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

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.