CVE-2026-26117

Name: CVE-2026-26117
Creator: NVD / NIST
Published: 2026-03-10T18:18:41.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2026-26117 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.44%

35.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-288

Affected Software

Vendor	Product	Versions
Microsoft	Arc Enabled Servers Azure Connected Machine Agent	>= 1.0.0, < 1.61

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26117Vendor Advisory

Timeline

Published: Mar 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-26117?

Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.

How severe is CVE-2026-26117?

CVE-2026-26117 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2026-26117?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26117?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST