Detections
Analytics

Security Updates for Microsoft Dynamics 365 (on-premises) (June 2026)

high Nessus Plugin ID 320873

Synopsis

Microsoft Dynamics 365 (on-premises) is installed and is affected by a vulnerability.

Description

The Microsoft Dynamics 365 (on-premises) is missing a security update. It is, therefore, affected by a vulnerability:

 - Improper handling of insufficient permissions or privileges in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to elevate privileges over a network. (CVE-2026-40371)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Microsoft has released a security update, please review the vendor advisory.

See Also

http://www.nessus.org/u?3547413f

http://www.nessus.org/u?938f6ee4

Plugin Details

Severity: High

ID: 320873

File Name: smb_nt_ms26_jun_dynamics.nasl

Version: 1.1

Type: Local

Agent: windows

Published: 6/12/2026

Updated: 6/12/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-40371

CVSS v3

Risk Factor: High

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/a:microsoft:dynamics_365

Required KB Items: installed_sw/Microsoft Dynamics 365 Server

Patch Publication Date: 5/12/2026

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: CVE-2026-40371

CWE: 280

IAVA: 2026-A-0575

MSFT: MS26-5089858

MSKB: 5089858