CVE-2026-26118

high

Description

Server-side request forgery (ssrf) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26118

https://thehackernews.com/2026/03/microsoft-patches-84-flaws-in-march.html

https://www.securityweek.com/microsoft-patches-83-vulnerabilities/

https://www.tenable.com/blog/microsofts-march-2026-patch-tuesday-addresses-83-cves-cve-2026-21262-cve-2026-26127

https://github.com/OpenSeneca/mcp-vuln-scanner

https://github.com/j-dahl7/mcp-attack-detection-sentinel

https://github.com/piiiico/mcp-check

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-10689

Details

Source: Mitre, NVD

Published: 2026-03-10

Updated: 2026-03-13

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00998