Vulnerability · Published Mar 10, 2026 · Assigned by microsoft
CVE-2026-26141Hybrid Worker Extension (Arc‑enabled Windows VMs) Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity improper authentication in Azure Automation Hybrid Worker Windows Extension from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 72.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Automation Hybrid Worker Windows Extension | 1.0.0 – before 1.3.74 |
Weakness: CWE-287 · 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
References
- Hybrid Worker Extension (Arc‑enabled Windows VMs) Elevation of Privilege Vulnerability vendor-advisory, patch