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High 7.8Published Mar 10, 2026
CVE-2026-26141Hybrid Worker Extension (Arc‑enabled Windows VMs) Elevation of Privilege Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft Azure Automation Hybrid Worker Windows Extension. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
- CVSS
- 7.8 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Azure Automation Hybrid Worker Windows Extension microsoft:azure_automation_hybrid_worker_windows_extension (from the name) | from 1.0.0 before 1.3.74 | CNA record |
microsoft azure_automation_hybrid_worker_windows_extension microsoft:azure_automation_hybrid_worker_windows_extension | from 1.0.0 before 1.3.74 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26141vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.