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CVE-2026-42833

Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

Published: May 12, 2026Updated: Jun 1, 2026 Sources: CVE List NVD BDUCWE-250
9.1CRITICAL
NVD MITRE
EPSS Score
0.7%
Top 49.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-250NVD-CWE-noinfo

Affected Products

Microsoft Corp
commercial·USaka Microsoft, microsoft corporation
Microsoft Dynamics 365 (on-premises) version 9.1On-premWeb App
Enterprise Software / crm
Microsoft Dynamics 365SaaSSaaS Service
Enterprise Software / itsm-monitoring
dynamics 365SaaSSaaS Service
Enterprise Software / itsm-monitoring

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-42833?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Privilege Escalation
View detailed technique mapping

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42833
msrc.microsoft.com
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42833
msrc.microsoft.com
https://feedly.com/cve/CVE-2026-42833
feedly.com

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