CVE-2026-42833 CRITICAL

CVE-2026-42833: Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

Vendor Microsoft
Product Microsoft Dynamics 365 (on-premises) version 9.1
Weakness CWE-250
Published May 12, 2026
Last update June 9, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper control of generation of code ('code injection') in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.

Key dates

02Disclosure timeline

May 12, 2026 CVE published
June 9, 2026 Record updated