What’s Vulnerable › Vulnerabilities

CVE-2026-42830: Azure Monitor Agent Metrics Extension Elevation of Privilege Vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-12 · updated 2026-10-26
• Weakness: CWE-426

Description

Untrusted search path in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

Affected products

• Microsoft Azure Monitor: before 1.42.0 — fixed in 1.42.0
• Microsoft Azure Monitor: from 1.0.0 before 1.42.0 — fixed in 1.42.0

How to fix

Upgrade to a fixed version: Microsoft Azure Monitor 1.42.0; Microsoft Azure Monitor 1.42.0. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42830

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