CVE-2025-59494: Azure Monitor Agent Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

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

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2025-Oct

Released

2025-10-14

EPSS Score

0.05% (percentile: 17.2%)

Description

Improper access control in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

FAQ

What privileges could be gained by an attacker who successfully exploited the vulnerability? A successful exploitation of this vulnerability allows a regular user on an Arc-enabled VM to read any file on the system with NT SYSTEM privileges.

Affected Products (1)

Azure

• Azure Monitor Agent

Security Updates (1)

• Release Notes

Acknowledgments

Michal Kamensky with Microsoft

Revision History

• 2025-10-14: Information published.