CVE-2026-26141 — HIGH (7.8)

Q: What is CVE-2026-26141?

CVE-2026-26141 is a vulnerability with a CVSS score of 7.8 (HIGH). Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.

Q: How severe is CVE-2026-26141?

CVE-2026-26141 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-26141?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Azure Automation Hybrid Worker Windows Extension.

Vulnerability Description

Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Azure Automation Hybrid Worker Windows Extension	>= 1.0.0, < 1.3.74

Related Weaknesses (CWE)

CWE-287 CWE-863

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26141Vendor Advisory

FAQ

What is CVE-2026-26141?

CVE-2026-26141 is a vulnerability with a CVSS score of 7.8 (HIGH). Improper authentication in Azure Arc allows an authorized attacker to elevate privileges locally.

How severe is CVE-2026-26141?

CVE-2026-26141 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-26141?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Azure Automation Hybrid Worker Windows Extension.