What’s Vulnerable › Vulnerabilities
CVE-2026-26141: Hybrid Worker Extension (Arc‑enabled Windows VMs) Elevation of Privilege Vulnerability
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-10 · updated 2026-10-15
- Weakness: CWE-287
Description
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
Affected products
- Microsoft Azure Automation Hybrid Worker Windows Extension: from 1.0.0 before 1.3.74 — fixed in 1.3.74
- Microsoft Azure Automation Hybrid Worker Windows Extension: from 1.0.0 before 1.3.74 — fixed in 1.3.74
How to fix
Upgrade to a fixed version: Microsoft Azure Automation Hybrid Worker Windows Extension 1.3.74; Microsoft Azure Automation Hybrid Worker Windows Extension 1.3.74. Check the vendor advisory for mitigations.
References
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