Detections
Analytics

Security Updates for Azure Connected Machine Agent < 1.64 (May 2026)

high Nessus Plugin ID 314929

Synopsis

The Microsoft Azure Connected Machine Agent installation on the remote host is affected by an elevation of privilege vulnerability.

Description

The Microsoft Azure Connected Machine Agent installation on the remote host is missing security updates. It is, therefore, affected by an elevation of privilege vulnerability:

 - Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally. (CVE-2026-40381)

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

Solution

Update to Azure Connected Machine Agent version 1.64 or later.

See Also

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40381

Plugin Details

Severity: High

ID: 314929

File Name: smb_nt_ms26_may_azure_connected_machine_agent.nasl

Version: 1.1

Type: Local

Agent: windows

Published: 5/15/2026

Updated: 5/15/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-40381

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:azure_connected_machine_agent

Required KB Items: installed_sw/Microsoft Azure Connected Machine Agent

Exploit Ease: No known exploits are available

Patch Publication Date: 5/12/2026

Vulnerability Publication Date: 5/12/2026

Reference Information

CVE: CVE-2026-40381