CVE-2026-42833 — CRITICAL (9.1)

Q: What is CVE-2026-42833?

CVE-2026-42833 is a vulnerability with a CVSS score of 9.1 (CRITICAL). Execution with unnecessary privileges in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.

Q: How severe is CVE-2026-42833?

CVE-2026-42833 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-42833?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Dynamics 365.

Vulnerability Description

Execution with unnecessary privileges in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Dynamics 365	>= 9.1, < 9.1.45.11

Related Weaknesses (CWE)

CWE-250

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42833Vendor Advisory

FAQ

What is CVE-2026-42833?

CVE-2026-42833 is a vulnerability with a CVSS score of 9.1 (CRITICAL). Execution with unnecessary privileges in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to execute code over a network.

How severe is CVE-2026-42833?

CVE-2026-42833 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-42833?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Dynamics 365.