CVE-2026-26117
Arc Enabled Servers - Azure Connected Machine Agent Elevation of Privilege Vulnerability
Description
Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally.
INFO
Published Date :
March 10, 2026, 6:18 p.m.
Last Modified :
March 13, 2026, 8:14 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-26117
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the Azure Windows Virtual Machine Agent.
- Restart the agent service on affected VMs.
- Verify agent version and configurations.
Public PoC/Exploit Available at Github
CVE-2026-26117 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-26117.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26117 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-26117 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-26117
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Sentinel detection lab for Azure Arc identity takeover (CVE-2026-26117) and Living-off-the-Cloud C2 attacks. Analytics rules, hunting queries, workbook, Bicep infrastructure, and C2 simulation script.
Bicep PowerShell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-26117 vulnerability anywhere in the article.
-
TheCyberThrone
Microsoft Patch Tuesday – March 2026
Released: March 10, 2026Executive SummaryMicrosoft’s March 2026 Patch Tuesday addresses 83 vulnerabilities across Windows, Microsoft Office, SQL Server, Azure cloud services, and .NET — with 8 rated C ... Read more
The following table lists the changes that have been made to the
CVE-2026-26117 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 13, 2026
Action Type Old Value New Value Added CWE NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:microsoft:arc_enabled_servers_azure_connected_machine_agent:*:*:*:*:*:*:*:* versions from (including) 1.0.0 up to (excluding) 1.61 Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26117 Types: Vendor Advisory -
New CVE Received by [email protected]
Mar. 10, 2026
Action Type Old Value New Value Added Description Authentication bypass using an alternate path or channel in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privileges locally. Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-288 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26117