CVE-2026-26141
Hybrid Worker Extension (Arc‑enabled Windows VMs) Elevation of Privilege Vulnerability
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Hybrid Worker Extension (Arc‑enabled Windows VMs) Elevation of Privilege Vulnerability
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-26141- CVSS 3.1
- 7.8 High
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-287
- Updated
- 2026-11-02
EUVDEUVD-2026-10700
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
- Record
EUVD-2026-10700- CVSS 3.1
- 7.8 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rfgw-m548-mw46
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
- Record
GHSA-rfgw-m548-mw46- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287, CWE-863
- Updated
- 2026-11-02
NVD
Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.
- Record
CVE-2026-26141- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287, CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-26141 is a high vulnerability (CVSS 7.8) in Microsoft Azure Automation Hybrid Worker Windows Extension, published March 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.