CVE-2026-26118
Received Received - Intake
Server-Side Request Forgery in Azure MCP Server Enables Privilege Escalation

Publication date: 2026-03-10

Last updated on: 2026-03-13

Assigner: Microsoft Corporation

Description
Server-side request forgery (ssrf) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-03-10
Last Modified
2026-03-13
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-26118
EUVD
EUVD-2026-10689
Affected Vendors & Products
Showing 17 associated CPEs
Vendor Product Version / Range
microsoft azure_mcp_server to 2.0.0 (exc)
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
microsoft azure_mcp_server 2.0.0
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a server-side request forgery (SSRF) issue in the Azure MCP Server. It allows an authorized attacker to send crafted requests from the server, potentially accessing or manipulating internal resources that are not directly accessible to the attacker.

Through this SSRF vulnerability, the attacker can elevate their privileges over the network, gaining higher access rights than originally permitted.

Impact Analysis

This vulnerability can have a significant impact by allowing an attacker with some level of authorization to escalate their privileges within the network. This means the attacker could gain unauthorized access to sensitive data, perform unauthorized actions, or disrupt services.

The CVSS base score of 8.8 indicates a high severity, with high impact on confidentiality, integrity, and availability.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-26118. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart